Home / 25,449.15-38,177.91-7,914.90

Finding the Fourth Proportional to 25,449.15, 38,177.91 and 7,914.90

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Solution

The fourth proportional to 25,449.15, 38,177.91 and 7,914.90 is: 11,873.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,449.15 : 38,177.91 = 7,914.90 : x
  2. Step 2: Convert to fraction form
    25,449.15/38,177.91 = 7,914.90/x
  3. Step 3: Cross multiply
    25,449.15x = 38,177.91 × 7,914.90
  4. Step 4: Simplify right side
    25,449.15x = 302,174,339.86
  5. Step 5: Solve for x
    x = 302,174,339.86/25,449.15
  6. Step 6: Final answer
    x = 11,873.65

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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.