Home / 20,752.18-31,133.20-5,960.76

Finding the Fourth Proportional to 20,752.18, 31,133.20 and 5,960.76

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Solution

The fourth proportional to 20,752.18, 31,133.20 and 5,960.76 is: 8,942.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,752.18 : 31,133.20 = 5,960.76 : x
  2. Step 2: Convert to fraction form
    20,752.18/31,133.20 = 5,960.76/x
  3. Step 3: Cross multiply
    20,752.18x = 31,133.20 × 5,960.76
  4. Step 4: Simplify right side
    20,752.18x = 185,577,533.23
  5. Step 5: Solve for x
    x = 185,577,533.23/20,752.18
  6. Step 6: Final answer
    x = 8,942.56

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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.