Home / 16,162.55-22,299.13-9,787.11

Finding the Fourth Proportional to 16,162.55, 22,299.13 and 9,787.11

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Solution

The fourth proportional to 16,162.55, 22,299.13 and 9,787.11 is: 13,503.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,162.55 : 22,299.13 = 9,787.11 : x
  2. Step 2: Convert to fraction form
    16,162.55/22,299.13 = 9,787.11/x
  3. Step 3: Cross multiply
    16,162.55x = 22,299.13 × 9,787.11
  4. Step 4: Simplify right side
    16,162.55x = 218,243,966.83
  5. Step 5: Solve for x
    x = 218,243,966.83/16,162.55
  6. Step 6: Final answer
    x = 13,503.06

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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.