Home / 20,042.78-27,595.71-17,651.11

Finding the Fourth Proportional to 20,042.78, 27,595.71 and 17,651.11

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Solution

The fourth proportional to 20,042.78, 27,595.71 and 17,651.11 is: 24,302.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,042.78 : 27,595.71 = 17,651.11 : x
  2. Step 2: Convert to fraction form
    20,042.78/27,595.71 = 17,651.11/x
  3. Step 3: Cross multiply
    20,042.78x = 27,595.71 × 17,651.11
  4. Step 4: Simplify right side
    20,042.78x = 487,094,843.75
  5. Step 5: Solve for x
    x = 487,094,843.75/20,042.78
  6. Step 6: Final answer
    x = 24,302.76

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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.