Home / 25,793.60-38,690.40-19,572.80

Finding the Fourth Proportional to 25,793.60, 38,690.40 and 19,572.80

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Solution

The fourth proportional to 25,793.60, 38,690.40 and 19,572.80 is: 29,359.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,793.60 : 38,690.40 = 19,572.80 : x
  2. Step 2: Convert to fraction form
    25,793.60/38,690.40 = 19,572.80/x
  3. Step 3: Cross multiply
    25,793.60x = 38,690.40 × 19,572.80
  4. Step 4: Simplify right side
    25,793.60x = 757,279,461.12
  5. Step 5: Solve for x
    x = 757,279,461.12/25,793.60
  6. Step 6: Final answer
    x = 29,359.20

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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.