Home / 25,540.50-38,328.24-8,900.52

Finding the Fourth Proportional to 25,540.50, 38,328.24 and 8,900.52

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Solution

The fourth proportional to 25,540.50, 38,328.24 and 8,900.52 is: 13,356.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,540.50 : 38,328.24 = 8,900.52 : x
  2. Step 2: Convert to fraction form
    25,540.50/38,328.24 = 8,900.52/x
  3. Step 3: Cross multiply
    25,540.50x = 38,328.24 × 8,900.52
  4. Step 4: Simplify right side
    25,540.50x = 341,141,266.68
  5. Step 5: Solve for x
    x = 341,141,266.68/25,540.50
  6. Step 6: Final answer
    x = 13,356.88

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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.