Home / 22,632.13-31,232.46-12,561.22

Finding the Fourth Proportional to 22,632.13, 31,232.46 and 12,561.22

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Solution

The fourth proportional to 22,632.13, 31,232.46 and 12,561.22 is: 17,334.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,632.13 : 31,232.46 = 12,561.22 : x
  2. Step 2: Convert to fraction form
    22,632.13/31,232.46 = 12,561.22/x
  3. Step 3: Cross multiply
    22,632.13x = 31,232.46 × 12,561.22
  4. Step 4: Simplify right side
    22,632.13x = 392,317,801.20
  5. Step 5: Solve for x
    x = 392,317,801.20/22,632.13
  6. Step 6: Final answer
    x = 17,334.55

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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.