Home / 15,339.57-22,979.29-7,948.88

Finding the Fourth Proportional to 15,339.57, 22,979.29 and 7,948.88

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Solution

The fourth proportional to 15,339.57, 22,979.29 and 7,948.88 is: 11,907.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,339.57 : 22,979.29 = 7,948.88 : x
  2. Step 2: Convert to fraction form
    15,339.57/22,979.29 = 7,948.88/x
  3. Step 3: Cross multiply
    15,339.57x = 22,979.29 × 7,948.88
  4. Step 4: Simplify right side
    15,339.57x = 182,659,578.95
  5. Step 5: Solve for x
    x = 182,659,578.95/15,339.57
  6. Step 6: Final answer
    x = 11,907.74

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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.