Home / 20,742.73-31,114.27-5,952.12

Finding the Fourth Proportional to 20,742.73, 31,114.27 and 5,952.12

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Solution

The fourth proportional to 20,742.73, 31,114.27 and 5,952.12 is: 8,928.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,742.73 : 31,114.27 = 5,952.12 : x
  2. Step 2: Convert to fraction form
    20,742.73/31,114.27 = 5,952.12/x
  3. Step 3: Cross multiply
    20,742.73x = 31,114.27 × 5,952.12
  4. Step 4: Simplify right side
    20,742.73x = 185,195,742.77
  5. Step 5: Solve for x
    x = 185,195,742.77/20,742.73
  6. Step 6: Final answer
    x = 8,928.22

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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.