Home / 25,479.87-35,163.11-14,149.56

Finding the Fourth Proportional to 25,479.87, 35,163.11 and 14,149.56

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Solution

The fourth proportional to 25,479.87, 35,163.11 and 14,149.56 is: 19,526.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,479.87 : 35,163.11 = 14,149.56 : x
  2. Step 2: Convert to fraction form
    25,479.87/35,163.11 = 14,149.56/x
  3. Step 3: Cross multiply
    25,479.87x = 35,163.11 × 14,149.56
  4. Step 4: Simplify right side
    25,479.87x = 497,542,534.73
  5. Step 5: Solve for x
    x = 497,542,534.73/25,479.87
  6. Step 6: Final answer
    x = 19,526.89

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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.