Home / 20,084.08-27,713.38-11,586.52

Finding the Fourth Proportional to 20,084.08, 27,713.38 and 11,586.52

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Solution

The fourth proportional to 20,084.08, 27,713.38 and 11,586.52 is: 15,987.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,084.08 : 27,713.38 = 11,586.52 : x
  2. Step 2: Convert to fraction form
    20,084.08/27,713.38 = 11,586.52/x
  3. Step 3: Cross multiply
    20,084.08x = 27,713.38 × 11,586.52
  4. Step 4: Simplify right side
    20,084.08x = 321,101,631.64
  5. Step 5: Solve for x
    x = 321,101,631.64/20,084.08
  6. Step 6: Final answer
    x = 15,987.87

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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.