Home / 19,540.92-29,286.72-10,656.12

Finding the Fourth Proportional to 19,540.92, 29,286.72 and 10,656.12

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Solution

The fourth proportional to 19,540.92, 29,286.72 and 10,656.12 is: 15,970.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,540.92 : 29,286.72 = 10,656.12 : x
  2. Step 2: Convert to fraction form
    19,540.92/29,286.72 = 10,656.12/x
  3. Step 3: Cross multiply
    19,540.92x = 29,286.72 × 10,656.12
  4. Step 4: Simplify right side
    19,540.92x = 312,082,802.73
  5. Step 5: Solve for x
    x = 312,082,802.73/19,540.92
  6. Step 6: Final answer
    x = 15,970.73

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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.