Home / 15,114.12-22,648.50-11,812.56

Finding the Fourth Proportional to 15,114.12, 22,648.50 and 11,812.56

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Solution

The fourth proportional to 15,114.12, 22,648.50 and 11,812.56 is: 17,701.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,114.12 : 22,648.50 = 11,812.56 : x
  2. Step 2: Convert to fraction form
    15,114.12/22,648.50 = 11,812.56/x
  3. Step 3: Cross multiply
    15,114.12x = 22,648.50 × 11,812.56
  4. Step 4: Simplify right side
    15,114.12x = 267,536,765.16
  5. Step 5: Solve for x
    x = 267,536,765.16/15,114.12
  6. Step 6: Final answer
    x = 17,701.11

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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.