Home / 16,817.56-23,203.20-9,743.80

Finding the Fourth Proportional to 16,817.56, 23,203.20 and 9,743.80

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Solution

The fourth proportional to 16,817.56, 23,203.20 and 9,743.80 is: 13,443.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,817.56 : 23,203.20 = 9,743.80 : x
  2. Step 2: Convert to fraction form
    16,817.56/23,203.20 = 9,743.80/x
  3. Step 3: Cross multiply
    16,817.56x = 23,203.20 × 9,743.80
  4. Step 4: Simplify right side
    16,817.56x = 226,087,340.16
  5. Step 5: Solve for x
    x = 226,087,340.16/16,817.56
  6. Step 6: Final answer
    x = 13,443.53

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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.