Home / 15,195.52-22,687.16-13,113.28

Finding the Fourth Proportional to 15,195.52, 22,687.16 and 13,113.28

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Solution

The fourth proportional to 15,195.52, 22,687.16 and 13,113.28 is: 19,578.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,195.52 : 22,687.16 = 13,113.28 : x
  2. Step 2: Convert to fraction form
    15,195.52/22,687.16 = 13,113.28/x
  3. Step 3: Cross multiply
    15,195.52x = 22,687.16 × 13,113.28
  4. Step 4: Simplify right side
    15,195.52x = 297,503,081.48
  5. Step 5: Solve for x
    x = 297,503,081.48/15,195.52
  6. Step 6: Final answer
    x = 19,578.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.