Home / 16,062.18-22,099.95-15,689.31

Finding the Fourth Proportional to 16,062.18, 22,099.95 and 15,689.31

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Solution

The fourth proportional to 16,062.18, 22,099.95 and 15,689.31 is: 21,586.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,062.18 : 22,099.95 = 15,689.31 : x
  2. Step 2: Convert to fraction form
    16,062.18/22,099.95 = 15,689.31/x
  3. Step 3: Cross multiply
    16,062.18x = 22,099.95 × 15,689.31
  4. Step 4: Simplify right side
    16,062.18x = 346,732,966.53
  5. Step 5: Solve for x
    x = 346,732,966.53/16,062.18
  6. Step 6: Final answer
    x = 21,586.92

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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.