Home / 25,523.20-35,221.68-14,192.80

Finding the Fourth Proportional to 25,523.20, 35,221.68 and 14,192.80

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Solution

The fourth proportional to 25,523.20, 35,221.68 and 14,192.80 is: 19,585.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,523.20 : 35,221.68 = 14,192.80 : x
  2. Step 2: Convert to fraction form
    25,523.20/35,221.68 = 14,192.80/x
  3. Step 3: Cross multiply
    25,523.20x = 35,221.68 × 14,192.80
  4. Step 4: Simplify right side
    25,523.20x = 499,894,259.90
  5. Step 5: Solve for x
    x = 499,894,259.90/25,523.20
  6. Step 6: Final answer
    x = 19,585.88

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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.