Home / 20,854.59-31,283.37-5,863.92

Finding the Fourth Proportional to 20,854.59, 31,283.37 and 5,863.92

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Solution

The fourth proportional to 20,854.59, 31,283.37 and 5,863.92 is: 8,796.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,854.59 : 31,283.37 = 5,863.92 : x
  2. Step 2: Convert to fraction form
    20,854.59/31,283.37 = 5,863.92/x
  3. Step 3: Cross multiply
    20,854.59x = 31,283.37 × 5,863.92
  4. Step 4: Simplify right side
    20,854.59x = 183,443,179.01
  5. Step 5: Solve for x
    x = 183,443,179.01/20,854.59
  6. Step 6: Final answer
    x = 8,796.30

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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.