Home / 15,209.64-22,815.76-5,348.06

Finding the Fourth Proportional to 15,209.64, 22,815.76 and 5,348.06

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Solution

The fourth proportional to 15,209.64, 22,815.76 and 5,348.06 is: 8,022.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,209.64 : 22,815.76 = 5,348.06 : x
  2. Step 2: Convert to fraction form
    15,209.64/22,815.76 = 5,348.06/x
  3. Step 3: Cross multiply
    15,209.64x = 22,815.76 × 5,348.06
  4. Step 4: Simplify right side
    15,209.64x = 122,020,053.43
  5. Step 5: Solve for x
    x = 122,020,053.43/15,209.64
  6. Step 6: Final answer
    x = 8,022.55

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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.