Home / 25,107.90-34,649.99-15,034.43

Finding the Fourth Proportional to 25,107.90, 34,649.99 and 15,034.43

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Solution

The fourth proportional to 25,107.90, 34,649.99 and 15,034.43 is: 20,748.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,107.90 : 34,649.99 = 15,034.43 : x
  2. Step 2: Convert to fraction form
    25,107.90/34,649.99 = 15,034.43/x
  3. Step 3: Cross multiply
    25,107.90x = 34,649.99 × 15,034.43
  4. Step 4: Simplify right side
    25,107.90x = 520,942,600.73
  5. Step 5: Solve for x
    x = 520,942,600.73/25,107.90
  6. Step 6: Final answer
    x = 20,748.15

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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.