Home / 25,287.01-34,909.20-18,473.39

Finding the Fourth Proportional to 25,287.01, 34,909.20 and 18,473.39

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Solution

The fourth proportional to 25,287.01, 34,909.20 and 18,473.39 is: 25,502.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,287.01 : 34,909.20 = 18,473.39 : x
  2. Step 2: Convert to fraction form
    25,287.01/34,909.20 = 18,473.39/x
  3. Step 3: Cross multiply
    25,287.01x = 34,909.20 × 18,473.39
  4. Step 4: Simplify right side
    25,287.01x = 644,891,091.64
  5. Step 5: Solve for x
    x = 644,891,091.64/25,287.01
  6. Step 6: Final answer
    x = 25,502.86

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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.