Home / 16,781.31-23,160.11-10,737.18

Finding the Fourth Proportional to 16,781.31, 23,160.11 and 10,737.18

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Solution

The fourth proportional to 16,781.31, 23,160.11 and 10,737.18 is: 14,818.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,781.31 : 23,160.11 = 10,737.18 : x
  2. Step 2: Convert to fraction form
    16,781.31/23,160.11 = 10,737.18/x
  3. Step 3: Cross multiply
    16,781.31x = 23,160.11 × 10,737.18
  4. Step 4: Simplify right side
    16,781.31x = 248,674,216.20
  5. Step 5: Solve for x
    x = 248,674,216.20/16,781.31
  6. Step 6: Final answer
    x = 14,818.52

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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.