Home / 25,460.85-38,191.56-7,691.66

Finding the Fourth Proportional to 25,460.85, 38,191.56 and 7,691.66

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Solution

The fourth proportional to 25,460.85, 38,191.56 and 7,691.66 is: 11,537.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,460.85 : 38,191.56 = 7,691.66 : x
  2. Step 2: Convert to fraction form
    25,460.85/38,191.56 = 7,691.66/x
  3. Step 3: Cross multiply
    25,460.85x = 38,191.56 × 7,691.66
  4. Step 4: Simplify right side
    25,460.85x = 293,756,423.64
  5. Step 5: Solve for x
    x = 293,756,423.64/25,460.85
  6. Step 6: Final answer
    x = 11,537.57

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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.