Home / 20,001.95-27,602.30-11,049.38

Finding the Fourth Proportional to 20,001.95, 27,602.30 and 11,049.38

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Solution

The fourth proportional to 20,001.95, 27,602.30 and 11,049.38 is: 15,247.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,001.95 : 27,602.30 = 11,049.38 : x
  2. Step 2: Convert to fraction form
    20,001.95/27,602.30 = 11,049.38/x
  3. Step 3: Cross multiply
    20,001.95x = 27,602.30 × 11,049.38
  4. Step 4: Simplify right side
    20,001.95x = 304,988,191.19
  5. Step 5: Solve for x
    x = 304,988,191.19/20,001.95
  6. Step 6: Final answer
    x = 15,247.92

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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.