Home / 18,060.31-24,925.10-10,403.85

Finding the Fourth Proportional to 18,060.31, 24,925.10 and 10,403.85

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Solution

The fourth proportional to 18,060.31, 24,925.10 and 10,403.85 is: 14,358.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,060.31 : 24,925.10 = 10,403.85 : x
  2. Step 2: Convert to fraction form
    18,060.31/24,925.10 = 10,403.85/x
  3. Step 3: Cross multiply
    18,060.31x = 24,925.10 × 10,403.85
  4. Step 4: Simplify right side
    18,060.31x = 259,317,047.15
  5. Step 5: Solve for x
    x = 259,317,047.15/18,060.31
  6. Step 6: Final answer
    x = 14,358.39

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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.