Home / 15,181.93-20,960.81-9,524.43

Finding the Fourth Proportional to 15,181.93, 20,960.81 and 9,524.43

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Solution

The fourth proportional to 15,181.93, 20,960.81 and 9,524.43 is: 13,149.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,181.93 : 20,960.81 = 9,524.43 : x
  2. Step 2: Convert to fraction form
    15,181.93/20,960.81 = 9,524.43/x
  3. Step 3: Cross multiply
    15,181.93x = 20,960.81 × 9,524.43
  4. Step 4: Simplify right side
    15,181.93x = 199,639,719.97
  5. Step 5: Solve for x
    x = 199,639,719.97/15,181.93
  6. Step 6: Final answer
    x = 13,149.83

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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.