Home / 16,861.65-23,264.42-9,691.19

Finding the Fourth Proportional to 16,861.65, 23,264.42 and 9,691.19

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Solution

The fourth proportional to 16,861.65, 23,264.42 and 9,691.19 is: 13,371.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,861.65 : 23,264.42 = 9,691.19 : x
  2. Step 2: Convert to fraction form
    16,861.65/23,264.42 = 9,691.19/x
  3. Step 3: Cross multiply
    16,861.65x = 23,264.42 × 9,691.19
  4. Step 4: Simplify right side
    16,861.65x = 225,459,836.92
  5. Step 5: Solve for x
    x = 225,459,836.92/16,861.65
  6. Step 6: Final answer
    x = 13,371.16

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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.