Home / 15,328.14-22,979.67-7,934.70

Finding the Fourth Proportional to 15,328.14, 22,979.67 and 7,934.70

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Solution

The fourth proportional to 15,328.14, 22,979.67 and 7,934.70 is: 11,895.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,328.14 : 22,979.67 = 7,934.70 : x
  2. Step 2: Convert to fraction form
    15,328.14/22,979.67 = 7,934.70/x
  3. Step 3: Cross multiply
    15,328.14x = 22,979.67 × 7,934.70
  4. Step 4: Simplify right side
    15,328.14x = 182,336,843.97
  5. Step 5: Solve for x
    x = 182,336,843.97/15,328.14
  6. Step 6: Final answer
    x = 11,895.57

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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.