Home / 16,827.12-25,244.36-5,140.04

Finding the Fourth Proportional to 16,827.12, 25,244.36 and 5,140.04

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Solution

The fourth proportional to 16,827.12, 25,244.36 and 5,140.04 is: 7,711.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,827.12 : 25,244.36 = 5,140.04 : x
  2. Step 2: Convert to fraction form
    16,827.12/25,244.36 = 5,140.04/x
  3. Step 3: Cross multiply
    16,827.12x = 25,244.36 × 5,140.04
  4. Step 4: Simplify right side
    16,827.12x = 129,757,020.17
  5. Step 5: Solve for x
    x = 129,757,020.17/16,827.12
  6. Step 6: Final answer
    x = 7,711.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.