Home / 20,062.43-27,686.19-11,110.64

Finding the Fourth Proportional to 20,062.43, 27,686.19 and 11,110.64

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Solution

The fourth proportional to 20,062.43, 27,686.19 and 11,110.64 is: 15,332.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,062.43 : 27,686.19 = 11,110.64 : x
  2. Step 2: Convert to fraction form
    20,062.43/27,686.19 = 11,110.64/x
  3. Step 3: Cross multiply
    20,062.43x = 27,686.19 × 11,110.64
  4. Step 4: Simplify right side
    20,062.43x = 307,611,290.06
  5. Step 5: Solve for x
    x = 307,611,290.06/20,062.43
  6. Step 6: Final answer
    x = 15,332.70

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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.