Home / 20,024.38-27,631.70-11,070.66

Finding the Fourth Proportional to 20,024.38, 27,631.70 and 11,070.66

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Solution

The fourth proportional to 20,024.38, 27,631.70 and 11,070.66 is: 15,276.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,024.38 : 27,631.70 = 11,070.66 : x
  2. Step 2: Convert to fraction form
    20,024.38/27,631.70 = 11,070.66/x
  3. Step 3: Cross multiply
    20,024.38x = 27,631.70 × 11,070.66
  4. Step 4: Simplify right side
    20,024.38x = 305,901,090.27
  5. Step 5: Solve for x
    x = 305,901,090.27/20,024.38
  6. Step 6: Final answer
    x = 15,276.43

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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.