Home / 15,445.97-23,170.20-4,353.56

Finding the Fourth Proportional to 15,445.97, 23,170.20 and 4,353.56

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Solution

The fourth proportional to 15,445.97, 23,170.20 and 4,353.56 is: 6,530.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,445.97 : 23,170.20 = 4,353.56 : x
  2. Step 2: Convert to fraction form
    15,445.97/23,170.20 = 4,353.56/x
  3. Step 3: Cross multiply
    15,445.97x = 23,170.20 × 4,353.56
  4. Step 4: Simplify right side
    15,445.97x = 100,872,855.91
  5. Step 5: Solve for x
    x = 100,872,855.91/15,445.97
  6. Step 6: Final answer
    x = 6,530.69

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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.