Home / 20,036.66-27,648.15-11,082.95

Finding the Fourth Proportional to 20,036.66, 27,648.15 and 11,082.95

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Solution

The fourth proportional to 20,036.66, 27,648.15 and 11,082.95 is: 15,293.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,036.66 : 27,648.15 = 11,082.95 : x
  2. Step 2: Convert to fraction form
    20,036.66/27,648.15 = 11,082.95/x
  3. Step 3: Cross multiply
    20,036.66x = 27,648.15 × 11,082.95
  4. Step 4: Simplify right side
    20,036.66x = 306,422,925.80
  5. Step 5: Solve for x
    x = 306,422,925.80/20,036.66
  6. Step 6: Final answer
    x = 15,293.12

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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.