Home / 22,801.40-34,178.85-12,919.80

Finding the Fourth Proportional to 22,801.40, 34,178.85 and 12,919.80

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Solution

The fourth proportional to 22,801.40, 34,178.85 and 12,919.80 is: 19,366.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,801.40 : 34,178.85 = 12,919.80 : x
  2. Step 2: Convert to fraction form
    22,801.40/34,178.85 = 12,919.80/x
  3. Step 3: Cross multiply
    22,801.40x = 34,178.85 × 12,919.80
  4. Step 4: Simplify right side
    22,801.40x = 441,583,906.23
  5. Step 5: Solve for x
    x = 441,583,906.23/22,801.40
  6. Step 6: Final answer
    x = 19,366.53

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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.