Home / 22,195.34-30,630.46-12,763.90

Finding the Fourth Proportional to 22,195.34, 30,630.46 and 12,763.90

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Solution

The fourth proportional to 22,195.34, 30,630.46 and 12,763.90 is: 17,614.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,195.34 : 30,630.46 = 12,763.90 : x
  2. Step 2: Convert to fraction form
    22,195.34/30,630.46 = 12,763.90/x
  3. Step 3: Cross multiply
    22,195.34x = 30,630.46 × 12,763.90
  4. Step 4: Simplify right side
    22,195.34x = 390,964,083.73
  5. Step 5: Solve for x
    x = 390,964,083.73/22,195.34
  6. Step 6: Final answer
    x = 17,614.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.