Home / 20,002.14-27,602.78-11,049.89

Finding the Fourth Proportional to 20,002.14, 27,602.78 and 11,049.89

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Solution

The fourth proportional to 20,002.14, 27,602.78 and 11,049.89 is: 15,248.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,002.14 : 27,602.78 = 11,049.89 : x
  2. Step 2: Convert to fraction form
    20,002.14/27,602.78 = 11,049.89/x
  3. Step 3: Cross multiply
    20,002.14x = 27,602.78 × 11,049.89
  4. Step 4: Simplify right side
    20,002.14x = 305,007,489.43
  5. Step 5: Solve for x
    x = 305,007,489.43/20,002.14
  6. Step 6: Final answer
    x = 15,248.74

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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.