Home / 25,479.62-38,219.88-8,840.24

Finding the Fourth Proportional to 25,479.62, 38,219.88 and 8,840.24

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Solution

The fourth proportional to 25,479.62, 38,219.88 and 8,840.24 is: 13,260.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,479.62 : 38,219.88 = 8,840.24 : x
  2. Step 2: Convert to fraction form
    25,479.62/38,219.88 = 8,840.24/x
  3. Step 3: Cross multiply
    25,479.62x = 38,219.88 × 8,840.24
  4. Step 4: Simplify right side
    25,479.62x = 337,872,911.97
  5. Step 5: Solve for x
    x = 337,872,911.97/25,479.62
  6. Step 6: Final answer
    x = 13,260.52

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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.