Home / 20,677.92-31,016.52-5,886.96

Finding the Fourth Proportional to 20,677.92, 31,016.52 and 5,886.96

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Solution

The fourth proportional to 20,677.92, 31,016.52 and 5,886.96 is: 8,830.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,677.92 : 31,016.52 = 5,886.96 : x
  2. Step 2: Convert to fraction form
    20,677.92/31,016.52 = 5,886.96/x
  3. Step 3: Cross multiply
    20,677.92x = 31,016.52 × 5,886.96
  4. Step 4: Simplify right side
    20,677.92x = 182,593,012.58
  5. Step 5: Solve for x
    x = 182,593,012.58/20,677.92
  6. Step 6: Final answer
    x = 8,830.34

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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.