Home / 22,672.32-31,287.19-12,600.51

Finding the Fourth Proportional to 22,672.32, 31,287.19 and 12,600.51

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Solution

The fourth proportional to 22,672.32, 31,287.19 and 12,600.51 is: 17,388.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,672.32 : 31,287.19 = 12,600.51 : x
  2. Step 2: Convert to fraction form
    22,672.32/31,287.19 = 12,600.51/x
  3. Step 3: Cross multiply
    22,672.32x = 31,287.19 × 12,600.51
  4. Step 4: Simplify right side
    22,672.32x = 394,234,550.47
  5. Step 5: Solve for x
    x = 394,234,550.47/22,672.32
  6. Step 6: Final answer
    x = 17,388.36

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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.