Home / 15,331.62-22,997.40-4,238.28

Finding the Fourth Proportional to 15,331.62, 22,997.40 and 4,238.28

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Solution

The fourth proportional to 15,331.62, 22,997.40 and 4,238.28 is: 6,357.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,331.62 : 22,997.40 = 4,238.28 : x
  2. Step 2: Convert to fraction form
    15,331.62/22,997.40 = 4,238.28/x
  3. Step 3: Cross multiply
    15,331.62x = 22,997.40 × 4,238.28
  4. Step 4: Simplify right side
    15,331.62x = 97,469,420.47
  5. Step 5: Solve for x
    x = 97,469,420.47/15,331.62
  6. Step 6: Final answer
    x = 6,357.41

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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.