Home / 20,754.83-31,132.08-5,963.69

Finding the Fourth Proportional to 20,754.83, 31,132.08 and 5,963.69

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Solution

The fourth proportional to 20,754.83, 31,132.08 and 5,963.69 is: 8,945.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,754.83 : 31,132.08 = 5,963.69 : x
  2. Step 2: Convert to fraction form
    20,754.83/31,132.08 = 5,963.69/x
  3. Step 3: Cross multiply
    20,754.83x = 31,132.08 × 5,963.69
  4. Step 4: Simplify right side
    20,754.83x = 185,662,152.01
  5. Step 5: Solve for x
    x = 185,662,152.01/20,754.83
  6. Step 6: Final answer
    x = 8,945.49

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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.