Home / 16,961.76-23,405.56-9,407.96

Finding the Fourth Proportional to 16,961.76, 23,405.56 and 9,407.96

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Solution

The fourth proportional to 16,961.76, 23,405.56 and 9,407.96 is: 12,982.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,961.76 : 23,405.56 = 9,407.96 : x
  2. Step 2: Convert to fraction form
    16,961.76/23,405.56 = 9,407.96/x
  3. Step 3: Cross multiply
    16,961.76x = 23,405.56 × 9,407.96
  4. Step 4: Simplify right side
    16,961.76x = 220,198,572.26
  5. Step 5: Solve for x
    x = 220,198,572.26/16,961.76
  6. Step 6: Final answer
    x = 12,982.06

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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.