Home / 22,825.20-34,237.80-12,983.70

Finding the Fourth Proportional to 22,825.20, 34,237.80 and 12,983.70

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Solution

The fourth proportional to 22,825.20, 34,237.80 and 12,983.70 is: 19,475.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,825.20 : 34,237.80 = 12,983.70 : x
  2. Step 2: Convert to fraction form
    22,825.20/34,237.80 = 12,983.70/x
  3. Step 3: Cross multiply
    22,825.20x = 34,237.80 × 12,983.70
  4. Step 4: Simplify right side
    22,825.20x = 444,533,323.86
  5. Step 5: Solve for x
    x = 444,533,323.86/22,825.20
  6. Step 6: Final answer
    x = 19,475.55

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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.