Home / 22,632.27-31,232.87-12,561.36

Finding the Fourth Proportional to 22,632.27, 31,232.87 and 12,561.36

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Solution

The fourth proportional to 22,632.27, 31,232.87 and 12,561.36 is: 17,334.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,632.27 : 31,232.87 = 12,561.36 : x
  2. Step 2: Convert to fraction form
    22,632.27/31,232.87 = 12,561.36/x
  3. Step 3: Cross multiply
    22,632.27x = 31,232.87 × 12,561.36
  4. Step 4: Simplify right side
    22,632.27x = 392,327,323.90
  5. Step 5: Solve for x
    x = 392,327,323.90/22,632.27
  6. Step 6: Final answer
    x = 17,334.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.