Home / 15,129.82-22,694.75-6,808.29

Finding the Fourth Proportional to 15,129.82, 22,694.75 and 6,808.29

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Solution

The fourth proportional to 15,129.82, 22,694.75 and 6,808.29 is: 10,212.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,129.82 : 22,694.75 = 6,808.29 : x
  2. Step 2: Convert to fraction form
    15,129.82/22,694.75 = 6,808.29/x
  3. Step 3: Cross multiply
    15,129.82x = 22,694.75 × 6,808.29
  4. Step 4: Simplify right side
    15,129.82x = 154,512,345.86
  5. Step 5: Solve for x
    x = 154,512,345.86/15,129.82
  6. Step 6: Final answer
    x = 10,212.44

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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.