Home / 20,024.11-27,630.92-11,071.08

Finding the Fourth Proportional to 20,024.11, 27,630.92 and 11,071.08

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Solution

The fourth proportional to 20,024.11, 27,630.92 and 11,071.08 is: 15,276.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,024.11 : 27,630.92 = 11,071.08 : x
  2. Step 2: Convert to fraction form
    20,024.11/27,630.92 = 11,071.08/x
  3. Step 3: Cross multiply
    20,024.11x = 27,630.92 × 11,071.08
  4. Step 4: Simplify right side
    20,024.11x = 305,904,153.47
  5. Step 5: Solve for x
    x = 305,904,153.47/20,024.11
  6. Step 6: Final answer
    x = 15,276.79

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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.