Home / 15,476.94-21,358.22-9,508.52

Finding the Fourth Proportional to 15,476.94, 21,358.22 and 9,508.52

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Solution

The fourth proportional to 15,476.94, 21,358.22 and 9,508.52 is: 13,121.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,476.94 : 21,358.22 = 9,508.52 : x
  2. Step 2: Convert to fraction form
    15,476.94/21,358.22 = 9,508.52/x
  3. Step 3: Cross multiply
    15,476.94x = 21,358.22 × 9,508.52
  4. Step 4: Simplify right side
    15,476.94x = 203,085,067.89
  5. Step 5: Solve for x
    x = 203,085,067.89/15,476.94
  6. Step 6: Final answer
    x = 13,121.78

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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.