Home / 22,377.62-30,881.35-12,306.14

Finding the Fourth Proportional to 22,377.62, 30,881.35 and 12,306.14

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Solution

The fourth proportional to 22,377.62, 30,881.35 and 12,306.14 is: 16,982.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,377.62 : 30,881.35 = 12,306.14 : x
  2. Step 2: Convert to fraction form
    22,377.62/30,881.35 = 12,306.14/x
  3. Step 3: Cross multiply
    22,377.62x = 30,881.35 × 12,306.14
  4. Step 4: Simplify right side
    22,377.62x = 380,030,216.49
  5. Step 5: Solve for x
    x = 380,030,216.49/22,377.62
  6. Step 6: Final answer
    x = 16,982.60

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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.