Home / 25,272.80-37,909.20-22,429.70

Finding the Fourth Proportional to 25,272.80, 37,909.20 and 22,429.70

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Solution

The fourth proportional to 25,272.80, 37,909.20 and 22,429.70 is: 33,644.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,272.80 : 37,909.20 = 22,429.70 : x
  2. Step 2: Convert to fraction form
    25,272.80/37,909.20 = 22,429.70/x
  3. Step 3: Cross multiply
    25,272.80x = 37,909.20 × 22,429.70
  4. Step 4: Simplify right side
    25,272.80x = 850,291,983.24
  5. Step 5: Solve for x
    x = 850,291,983.24/25,272.80
  6. Step 6: Final answer
    x = 33,644.55

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1.5x scale

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.