Home / 20,073.59-27,701.19-11,121.06

Finding the Fourth Proportional to 20,073.59, 27,701.19 and 11,121.06

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Solution

The fourth proportional to 20,073.59, 27,701.19 and 11,121.06 is: 15,346.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,073.59 : 27,701.19 = 11,121.06 : x
  2. Step 2: Convert to fraction form
    20,073.59/27,701.19 = 11,121.06/x
  3. Step 3: Cross multiply
    20,073.59x = 27,701.19 × 11,121.06
  4. Step 4: Simplify right side
    20,073.59x = 308,066,699.94
  5. Step 5: Solve for x
    x = 308,066,699.94/20,073.59
  6. Step 6: Final answer
    x = 15,346.87

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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.