Home / 22,301.02-30,775.17-12,229.43

Finding the Fourth Proportional to 22,301.02, 30,775.17 and 12,229.43

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Solution

The fourth proportional to 22,301.02, 30,775.17 and 12,229.43 is: 16,876.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,301.02 : 30,775.17 = 12,229.43 : x
  2. Step 2: Convert to fraction form
    22,301.02/30,775.17 = 12,229.43/x
  3. Step 3: Cross multiply
    22,301.02x = 30,775.17 × 12,229.43
  4. Step 4: Simplify right side
    22,301.02x = 376,362,787.25
  5. Step 5: Solve for x
    x = 376,362,787.25/22,301.02
  6. Step 6: Final answer
    x = 16,876.49

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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.