Home / 25,575.60-38,313.18-22,789.20

Finding the Fourth Proportional to 25,575.60, 38,313.18 and 22,789.20

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Solution

The fourth proportional to 25,575.60, 38,313.18 and 22,789.20 is: 34,139.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,575.60 : 38,313.18 = 22,789.20 : x
  2. Step 2: Convert to fraction form
    25,575.60/38,313.18 = 22,789.20/x
  3. Step 3: Cross multiply
    25,575.60x = 38,313.18 × 22,789.20
  4. Step 4: Simplify right side
    25,575.60x = 873,126,721.66
  5. Step 5: Solve for x
    x = 873,126,721.66/25,575.60
  6. Step 6: Final answer
    x = 34,139.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.