Home / 20,062.64-27,686.24-11,561.63

Finding the Fourth Proportional to 20,062.64, 27,686.24 and 11,561.63

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Solution

The fourth proportional to 20,062.64, 27,686.24 and 11,561.63 is: 15,954.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,062.64 : 27,686.24 = 11,561.63 : x
  2. Step 2: Convert to fraction form
    20,062.64/27,686.24 = 11,561.63/x
  3. Step 3: Cross multiply
    20,062.64x = 27,686.24 × 11,561.63
  4. Step 4: Simplify right side
    20,062.64x = 320,098,062.97
  5. Step 5: Solve for x
    x = 320,098,062.97/20,062.64
  6. Step 6: Final answer
    x = 15,954.93

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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.