Home / 15,006.96-20,711.28-11,274.48

Finding the Fourth Proportional to 15,006.96, 20,711.28 and 11,274.48

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Solution

The fourth proportional to 15,006.96, 20,711.28 and 11,274.48 is: 15,560.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,006.96 : 20,711.28 = 11,274.48 : x
  2. Step 2: Convert to fraction form
    15,006.96/20,711.28 = 11,274.48/x
  3. Step 3: Cross multiply
    15,006.96x = 20,711.28 × 11,274.48
  4. Step 4: Simplify right side
    15,006.96x = 233,508,912.13
  5. Step 5: Solve for x
    x = 233,508,912.13/15,006.96
  6. Step 6: Final answer
    x = 15,560.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.