Home / 20,180.52-30,275.85-7,033.02

Finding the Fourth Proportional to 20,180.52, 30,275.85 and 7,033.02

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Solution

The fourth proportional to 20,180.52, 30,275.85 and 7,033.02 is: 10,551.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,180.52 : 30,275.85 = 7,033.02 : x
  2. Step 2: Convert to fraction form
    20,180.52/30,275.85 = 7,033.02/x
  3. Step 3: Cross multiply
    20,180.52x = 30,275.85 × 7,033.02
  4. Step 4: Simplify right side
    20,180.52x = 212,930,658.57
  5. Step 5: Solve for x
    x = 212,930,658.57/20,180.52
  6. Step 6: Final answer
    x = 10,551.30

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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.