Home / 18,231.60-25,156.44-10,273.20

Finding the Fourth Proportional to 18,231.60, 25,156.44 and 10,273.20

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Solution

The fourth proportional to 18,231.60, 25,156.44 and 10,273.20 is: 14,175.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,231.60 : 25,156.44 = 10,273.20 : x
  2. Step 2: Convert to fraction form
    18,231.60/25,156.44 = 10,273.20/x
  3. Step 3: Cross multiply
    18,231.60x = 25,156.44 × 10,273.20
  4. Step 4: Simplify right side
    18,231.60x = 258,437,139.41
  5. Step 5: Solve for x
    x = 258,437,139.41/18,231.60
  6. Step 6: Final answer
    x = 14,175.23

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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.