Home / 15,179.04-22,728.66-12,201.68

Finding the Fourth Proportional to 15,179.04, 22,728.66 and 12,201.68

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Solution

The fourth proportional to 15,179.04, 22,728.66 and 12,201.68 is: 18,270.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,179.04 : 22,728.66 = 12,201.68 : x
  2. Step 2: Convert to fraction form
    15,179.04/22,728.66 = 12,201.68/x
  3. Step 3: Cross multiply
    15,179.04x = 22,728.66 × 12,201.68
  4. Step 4: Simplify right side
    15,179.04x = 277,327,836.15
  5. Step 5: Solve for x
    x = 277,327,836.15/15,179.04
  6. Step 6: Final answer
    x = 18,270.45

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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.