Home / 27,016.88-40,488.72-12,207.32

Finding the Fourth Proportional to 27,016.88, 40,488.72 and 12,207.32

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Solution

The fourth proportional to 27,016.88, 40,488.72 and 12,207.32 is: 18,294.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,016.88 : 40,488.72 = 12,207.32 : x
  2. Step 2: Convert to fraction form
    27,016.88/40,488.72 = 12,207.32/x
  3. Step 3: Cross multiply
    27,016.88x = 40,488.72 × 12,207.32
  4. Step 4: Simplify right side
    27,016.88x = 494,258,761.43
  5. Step 5: Solve for x
    x = 494,258,761.43/27,016.88
  6. Step 6: Final answer
    x = 18,294.44

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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.