Home / 25,251.74-34,843.32-15,177.77

Finding the Fourth Proportional to 25,251.74, 34,843.32 and 15,177.77

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Solution

The fourth proportional to 25,251.74, 34,843.32 and 15,177.77 is: 20,942.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,251.74 : 34,843.32 = 15,177.77 : x
  2. Step 2: Convert to fraction form
    25,251.74/34,843.32 = 15,177.77/x
  3. Step 3: Cross multiply
    25,251.74x = 34,843.32 × 15,177.77
  4. Step 4: Simplify right side
    25,251.74x = 528,843,897.00
  5. Step 5: Solve for x
    x = 528,843,897.00/25,251.74
  6. Step 6: Final answer
    x = 20,942.87

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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.