Home / 25,493.40-38,225.25-9,892.80

Finding the Fourth Proportional to 25,493.40, 38,225.25 and 9,892.80

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Solution

The fourth proportional to 25,493.40, 38,225.25 and 9,892.80 is: 14,833.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,493.40 : 38,225.25 = 9,892.80 : x
  2. Step 2: Convert to fraction form
    25,493.40/38,225.25 = 9,892.80/x
  3. Step 3: Cross multiply
    25,493.40x = 38,225.25 × 9,892.80
  4. Step 4: Simplify right side
    25,493.40x = 378,154,753.20
  5. Step 5: Solve for x
    x = 378,154,753.20/25,493.40
  6. Step 6: Final answer
    x = 14,833.44

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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.