Home / 22,426.79-33,641.10-8,385.39

Finding the Fourth Proportional to 22,426.79, 33,641.10 and 8,385.39

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Solution

The fourth proportional to 22,426.79, 33,641.10 and 8,385.39 is: 12,578.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,426.79 : 33,641.10 = 8,385.39 : x
  2. Step 2: Convert to fraction form
    22,426.79/33,641.10 = 8,385.39/x
  3. Step 3: Cross multiply
    22,426.79x = 33,641.10 × 8,385.39
  4. Step 4: Simplify right side
    22,426.79x = 282,093,743.53
  5. Step 5: Solve for x
    x = 282,093,743.53/22,426.79
  6. Step 6: Final answer
    x = 12,578.43

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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.