Home / 25,480.12-38,220.18-11,432.44

Finding the Fourth Proportional to 25,480.12, 38,220.18 and 11,432.44

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Solution

The fourth proportional to 25,480.12, 38,220.18 and 11,432.44 is: 17,148.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,480.12 : 38,220.18 = 11,432.44 : x
  2. Step 2: Convert to fraction form
    25,480.12/38,220.18 = 11,432.44/x
  3. Step 3: Cross multiply
    25,480.12x = 38,220.18 × 11,432.44
  4. Step 4: Simplify right side
    25,480.12x = 436,949,914.64
  5. Step 5: Solve for x
    x = 436,949,914.64/25,480.12
  6. Step 6: Final answer
    x = 17,148.66

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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.