Home / 26,691.28-39,952.96-18,322.32

Finding the Fourth Proportional to 26,691.28, 39,952.96 and 18,322.32

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Solution

The fourth proportional to 26,691.28, 39,952.96 and 18,322.32 is: 27,425.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,691.28 : 39,952.96 = 18,322.32 : x
  2. Step 2: Convert to fraction form
    26,691.28/39,952.96 = 18,322.32/x
  3. Step 3: Cross multiply
    26,691.28x = 39,952.96 × 18,322.32
  4. Step 4: Simplify right side
    26,691.28x = 732,030,918.07
  5. Step 5: Solve for x
    x = 732,030,918.07/26,691.28
  6. Step 6: Final answer
    x = 27,425.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.