Home / 48,616.82-72,925.56-13,556.78

Finding the Fourth Proportional to 48,616.82, 72,925.56 and 13,556.78

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Solution

The fourth proportional to 48,616.82, 72,925.56 and 13,556.78 is: 20,335.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,616.82 : 72,925.56 = 13,556.78 : x
  2. Step 2: Convert to fraction form
    48,616.82/72,925.56 = 13,556.78/x
  3. Step 3: Cross multiply
    48,616.82x = 72,925.56 × 13,556.78
  4. Step 4: Simplify right side
    48,616.82x = 988,635,773.30
  5. Step 5: Solve for x
    x = 988,635,773.30/48,616.82
  6. Step 6: Final answer
    x = 20,335.26

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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.