Home / 25,500.78-38,244.47-11,452.95

Finding the Fourth Proportional to 25,500.78, 38,244.47 and 11,452.95

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Solution

The fourth proportional to 25,500.78, 38,244.47 and 11,452.95 is: 17,176.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,500.78 : 38,244.47 = 11,452.95 : x
  2. Step 2: Convert to fraction form
    25,500.78/38,244.47 = 11,452.95/x
  3. Step 3: Cross multiply
    25,500.78x = 38,244.47 × 11,452.95
  4. Step 4: Simplify right side
    25,500.78x = 438,011,945.42
  5. Step 5: Solve for x
    x = 438,011,945.42/25,500.78
  6. Step 6: Final answer
    x = 17,176.41

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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.