Home / 20,033.66-27,644.01-11,079.95

Finding the Fourth Proportional to 20,033.66, 27,644.01 and 11,079.95

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Solution

The fourth proportional to 20,033.66, 27,644.01 and 11,079.95 is: 15,288.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,033.66 : 27,644.01 = 11,079.95 : x
  2. Step 2: Convert to fraction form
    20,033.66/27,644.01 = 11,079.95/x
  3. Step 3: Cross multiply
    20,033.66x = 27,644.01 × 11,079.95
  4. Step 4: Simplify right side
    20,033.66x = 306,294,110.38
  5. Step 5: Solve for x
    x = 306,294,110.38/20,033.66
  6. Step 6: Final answer
    x = 15,288.98

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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.