Home / 19,964.66-27,522.60-15,708.38

Finding the Fourth Proportional to 19,964.66, 27,522.60 and 15,708.38

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Solution

The fourth proportional to 19,964.66, 27,522.60 and 15,708.38 is: 21,655.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964.66 : 27,522.60 = 15,708.38 : x
  2. Step 2: Convert to fraction form
    19,964.66/27,522.60 = 15,708.38/x
  3. Step 3: Cross multiply
    19,964.66x = 27,522.60 × 15,708.38
  4. Step 4: Simplify right side
    19,964.66x = 432,335,321.78
  5. Step 5: Solve for x
    x = 432,335,321.78/19,964.66
  6. Step 6: Final answer
    x = 21,655.04

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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.