Home / 22,257.72-30,722.28-12,832.92

Finding the Fourth Proportional to 22,257.72, 30,722.28 and 12,832.92

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Solution

The fourth proportional to 22,257.72, 30,722.28 and 12,832.92 is: 17,713.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,257.72 : 30,722.28 = 12,832.92 : x
  2. Step 2: Convert to fraction form
    22,257.72/30,722.28 = 12,832.92/x
  3. Step 3: Cross multiply
    22,257.72x = 30,722.28 × 12,832.92
  4. Step 4: Simplify right side
    22,257.72x = 394,256,561.46
  5. Step 5: Solve for x
    x = 394,256,561.46/22,257.72
  6. Step 6: Final answer
    x = 17,713.25

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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.