Home / 15,207.20-22,809.72-4,114.56

Finding the Fourth Proportional to 15,207.20, 22,809.72 and 4,114.56

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Solution

The fourth proportional to 15,207.20, 22,809.72 and 4,114.56 is: 6,171.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,207.20 : 22,809.72 = 4,114.56 : x
  2. Step 2: Convert to fraction form
    15,207.20/22,809.72 = 4,114.56/x
  3. Step 3: Cross multiply
    15,207.20x = 22,809.72 × 4,114.56
  4. Step 4: Simplify right side
    15,207.20x = 93,851,961.52
  5. Step 5: Solve for x
    x = 93,851,961.52/15,207.20
  6. Step 6: Final answer
    x = 6,171.55

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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.