Home / 25,108.40-34,650.68-15,034.92

Finding the Fourth Proportional to 25,108.40, 34,650.68 and 15,034.92

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Solution

The fourth proportional to 25,108.40, 34,650.68 and 15,034.92 is: 20,748.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,108.40 : 34,650.68 = 15,034.92 : x
  2. Step 2: Convert to fraction form
    25,108.40/34,650.68 = 15,034.92/x
  3. Step 3: Cross multiply
    25,108.40x = 34,650.68 × 15,034.92
  4. Step 4: Simplify right side
    25,108.40x = 520,970,201.75
  5. Step 5: Solve for x
    x = 520,970,201.75/25,108.40
  6. Step 6: Final answer
    x = 20,748.84

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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.