Home / 15,721.28-23,575.86-6,951.38

Finding the Fourth Proportional to 15,721.28, 23,575.86 and 6,951.38

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Solution

The fourth proportional to 15,721.28, 23,575.86 and 6,951.38 is: 10,424.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,721.28 : 23,575.86 = 6,951.38 : x
  2. Step 2: Convert to fraction form
    15,721.28/23,575.86 = 6,951.38/x
  3. Step 3: Cross multiply
    15,721.28x = 23,575.86 × 6,951.38
  4. Step 4: Simplify right side
    15,721.28x = 163,884,761.69
  5. Step 5: Solve for x
    x = 163,884,761.69/15,721.28
  6. Step 6: Final answer
    x = 10,424.39

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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.