Home / 24,220.80-33,330.24-21,432.96

Finding the Fourth Proportional to 24,220.80, 33,330.24 and 21,432.96

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Solution

The fourth proportional to 24,220.80, 33,330.24 and 21,432.96 is: 29,493.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,220.80 : 33,330.24 = 21,432.96 : x
  2. Step 2: Convert to fraction form
    24,220.80/33,330.24 = 21,432.96/x
  3. Step 3: Cross multiply
    24,220.80x = 33,330.24 × 21,432.96
  4. Step 4: Simplify right side
    24,220.80x = 714,365,700.71
  5. Step 5: Solve for x
    x = 714,365,700.71/24,220.80
  6. Step 6: Final answer
    x = 29,493.89

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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.