Home / 16,691.36-25,061.64-9,310.24

Finding the Fourth Proportional to 16,691.36, 25,061.64 and 9,310.24

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Solution

The fourth proportional to 16,691.36, 25,061.64 and 9,310.24 is: 13,979.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,691.36 : 25,061.64 = 9,310.24 : x
  2. Step 2: Convert to fraction form
    16,691.36/25,061.64 = 9,310.24/x
  3. Step 3: Cross multiply
    16,691.36x = 25,061.64 × 9,310.24
  4. Step 4: Simplify right side
    16,691.36x = 233,329,883.19
  5. Step 5: Solve for x
    x = 233,329,883.19/16,691.36
  6. Step 6: Final answer
    x = 13,979.08

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1.5x scale

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.