Home / 20,042.92-27,656.86-11,089.24

Finding the Fourth Proportional to 20,042.92, 27,656.86 and 11,089.24

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Solution

The fourth proportional to 20,042.92, 27,656.86 and 11,089.24 is: 15,301.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,042.92 : 27,656.86 = 11,089.24 : x
  2. Step 2: Convert to fraction form
    20,042.92/27,656.86 = 11,089.24/x
  3. Step 3: Cross multiply
    20,042.92x = 27,656.86 × 11,089.24
  4. Step 4: Simplify right side
    20,042.92x = 306,693,558.19
  5. Step 5: Solve for x
    x = 306,693,558.19/20,042.92
  6. Step 6: Final answer
    x = 15,301.84

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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.