Home / 18,201.44-25,115.93-10,243.46

Finding the Fourth Proportional to 18,201.44, 25,115.93 and 10,243.46

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Solution

The fourth proportional to 18,201.44, 25,115.93 and 10,243.46 is: 14,134.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,201.44 : 25,115.93 = 10,243.46 : x
  2. Step 2: Convert to fraction form
    18,201.44/25,115.93 = 10,243.46/x
  3. Step 3: Cross multiply
    18,201.44x = 25,115.93 × 10,243.46
  4. Step 4: Simplify right side
    18,201.44x = 257,273,973.10
  5. Step 5: Solve for x
    x = 257,273,973.10/18,201.44
  6. Step 6: Final answer
    x = 14,134.81

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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.