Home / 15,251.38-21,044.88-9,953.34

Finding the Fourth Proportional to 15,251.38, 21,044.88 and 9,953.34

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Solution

The fourth proportional to 15,251.38, 21,044.88 and 9,953.34 is: 13,734.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,251.38 : 21,044.88 = 9,953.34 : x
  2. Step 2: Convert to fraction form
    15,251.38/21,044.88 = 9,953.34/x
  3. Step 3: Cross multiply
    15,251.38x = 21,044.88 × 9,953.34
  4. Step 4: Simplify right side
    15,251.38x = 209,466,845.90
  5. Step 5: Solve for x
    x = 209,466,845.90/15,251.38
  6. Step 6: Final answer
    x = 13,734.29

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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.