Home / 16,679.25-23,017.37-10,391.63

Finding the Fourth Proportional to 16,679.25, 23,017.37 and 10,391.63

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Solution

The fourth proportional to 16,679.25, 23,017.37 and 10,391.63 is: 14,340.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,679.25 : 23,017.37 = 10,391.63 : x
  2. Step 2: Convert to fraction form
    16,679.25/23,017.37 = 10,391.63/x
  3. Step 3: Cross multiply
    16,679.25x = 23,017.37 × 10,391.63
  4. Step 4: Simplify right side
    16,679.25x = 239,187,825.57
  5. Step 5: Solve for x
    x = 239,187,825.57/16,679.25
  6. Step 6: Final answer
    x = 14,340.44

Related Problems

Find fourth proportional to 8,339.63, 11,508.68 and 5,195.81
Half scale
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Double scale
Find fourth proportional to 16,680.25, 23,018.75 and 10,392.63
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.