Home / 20,747.64-31,116.72-5,956.44

Finding the Fourth Proportional to 20,747.64, 31,116.72 and 5,956.44

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Solution

The fourth proportional to 20,747.64, 31,116.72 and 5,956.44 is: 8,933.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,747.64 : 31,116.72 = 5,956.44 : x
  2. Step 2: Convert to fraction form
    20,747.64/31,116.72 = 5,956.44/x
  3. Step 3: Cross multiply
    20,747.64x = 31,116.72 × 5,956.44
  4. Step 4: Simplify right side
    20,747.64x = 185,344,875.68
  5. Step 5: Solve for x
    x = 185,344,875.68/20,747.64
  6. Step 6: Final answer
    x = 8,933.30

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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.