Home / 17,031.28-25,557.12-7,169.92

Finding the Fourth Proportional to 17,031.28, 25,557.12 and 7,169.92

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Solution

The fourth proportional to 17,031.28, 25,557.12 and 7,169.92 is: 10,759.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,031.28 : 25,557.12 = 7,169.92 : x
  2. Step 2: Convert to fraction form
    17,031.28/25,557.12 = 7,169.92/x
  3. Step 3: Cross multiply
    17,031.28x = 25,557.12 × 7,169.92
  4. Step 4: Simplify right side
    17,031.28x = 183,242,505.83
  5. Step 5: Solve for x
    x = 183,242,505.83/17,031.28
  6. Step 6: Final answer
    x = 10,759.17

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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.