Home / 18,731.36-25,850.76-10,349.12

Finding the Fourth Proportional to 18,731.36, 25,850.76 and 10,349.12

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Solution

The fourth proportional to 18,731.36, 25,850.76 and 10,349.12 is: 14,282.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,731.36 : 25,850.76 = 10,349.12 : x
  2. Step 2: Convert to fraction form
    18,731.36/25,850.76 = 10,349.12/x
  3. Step 3: Cross multiply
    18,731.36x = 25,850.76 × 10,349.12
  4. Step 4: Simplify right side
    18,731.36x = 267,532,617.33
  5. Step 5: Solve for x
    x = 267,532,617.33/18,731.36
  6. Step 6: Final answer
    x = 14,282.61

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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.