Home / 16,179.31-22,334.33-10,877.20

Finding the Fourth Proportional to 16,179.31, 22,334.33 and 10,877.20

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Solution

The fourth proportional to 16,179.31, 22,334.33 and 10,877.20 is: 15,015.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,179.31 : 22,334.33 = 10,877.20 : x
  2. Step 2: Convert to fraction form
    16,179.31/22,334.33 = 10,877.20/x
  3. Step 3: Cross multiply
    16,179.31x = 22,334.33 × 10,877.20
  4. Step 4: Simplify right side
    16,179.31x = 242,934,876.93
  5. Step 5: Solve for x
    x = 242,934,876.93/16,179.31
  6. Step 6: Final answer
    x = 15,015.16

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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.