Home / 20,052.88-27,679.14-11,560.68

Finding the Fourth Proportional to 20,052.88, 27,679.14 and 11,560.68

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Solution

The fourth proportional to 20,052.88, 27,679.14 and 11,560.68 is: 15,957.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,052.88 : 27,679.14 = 11,560.68 : x
  2. Step 2: Convert to fraction form
    20,052.88/27,679.14 = 11,560.68/x
  3. Step 3: Cross multiply
    20,052.88x = 27,679.14 × 11,560.68
  4. Step 4: Simplify right side
    20,052.88x = 319,989,680.22
  5. Step 5: Solve for x
    x = 319,989,680.22/20,052.88
  6. Step 6: Final answer
    x = 15,957.29

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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.