Home / 20,001.82-27,600.28-11,047.08

Finding the Fourth Proportional to 20,001.82, 27,600.28 and 11,047.08

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Solution

The fourth proportional to 20,001.82, 27,600.28 and 11,047.08 is: 15,243.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,001.82 : 27,600.28 = 11,047.08 : x
  2. Step 2: Convert to fraction form
    20,001.82/27,600.28 = 11,047.08/x
  3. Step 3: Cross multiply
    20,001.82x = 27,600.28 × 11,047.08
  4. Step 4: Simplify right side
    20,001.82x = 304,902,623.67
  5. Step 5: Solve for x
    x = 304,902,623.67/20,001.82
  6. Step 6: Final answer
    x = 15,243.74

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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.