Home / 25,459.20-38,202.72-9,877.44

Finding the Fourth Proportional to 25,459.20, 38,202.72 and 9,877.44

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Solution

The fourth proportional to 25,459.20, 38,202.72 and 9,877.44 is: 14,821.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,459.20 : 38,202.72 = 9,877.44 : x
  2. Step 2: Convert to fraction form
    25,459.20/38,202.72 = 9,877.44/x
  3. Step 3: Cross multiply
    25,459.20x = 38,202.72 × 9,877.44
  4. Step 4: Simplify right side
    25,459.20x = 377,345,074.64
  5. Step 5: Solve for x
    x = 377,345,074.64/25,459.20
  6. Step 6: Final answer
    x = 14,821.56

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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.