Home / 15,331.47-22,997.20-4,086.81

Finding the Fourth Proportional to 15,331.47, 22,997.20 and 4,086.81

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Solution

The fourth proportional to 15,331.47, 22,997.20 and 4,086.81 is: 6,130.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,331.47 : 22,997.20 = 4,086.81 : x
  2. Step 2: Convert to fraction form
    15,331.47/22,997.20 = 4,086.81/x
  3. Step 3: Cross multiply
    15,331.47x = 22,997.20 × 4,086.81
  4. Step 4: Simplify right side
    15,331.47x = 93,985,186.93
  5. Step 5: Solve for x
    x = 93,985,186.93/15,331.47
  6. Step 6: Final answer
    x = 6,130.21

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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.