Home / 18,171.66-25,077.33-10,213.44

Finding the Fourth Proportional to 18,171.66, 25,077.33 and 10,213.44

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Solution

The fourth proportional to 18,171.66, 25,077.33 and 10,213.44 is: 14,094.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,171.66 : 25,077.33 = 10,213.44 : x
  2. Step 2: Convert to fraction form
    18,171.66/25,077.33 = 10,213.44/x
  3. Step 3: Cross multiply
    18,171.66x = 25,077.33 × 10,213.44
  4. Step 4: Simplify right side
    18,171.66x = 256,125,805.32
  5. Step 5: Solve for x
    x = 256,125,805.32/18,171.66
  6. Step 6: Final answer
    x = 14,094.79

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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.