Home / 18,179.90-25,079.85-10,626.55

Finding the Fourth Proportional to 18,179.90, 25,079.85 and 10,626.55

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Solution

The fourth proportional to 18,179.90, 25,079.85 and 10,626.55 is: 14,659.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,179.90 : 25,079.85 = 10,626.55 : x
  2. Step 2: Convert to fraction form
    18,179.90/25,079.85 = 10,626.55/x
  3. Step 3: Cross multiply
    18,179.90x = 25,079.85 × 10,626.55
  4. Step 4: Simplify right side
    18,179.90x = 266,512,280.02
  5. Step 5: Solve for x
    x = 266,512,280.02/18,179.90
  6. Step 6: Final answer
    x = 14,659.72

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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.