Home / 15,992.56-22,050.12-13,150

Finding the Fourth Proportional to 15,992.56, 22,050.12 and 13,150

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Solution

The fourth proportional to 15,992.56, 22,050.12 and 13,150 is: 18,130.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,992.56 : 22,050.12 = 13,150 : x
  2. Step 2: Convert to fraction form
    15,992.56/22,050.12 = 13,150/x
  3. Step 3: Cross multiply
    15,992.56x = 22,050.12 × 13,150
  4. Step 4: Simplify right side
    15,992.56x = 289,959,078
  5. Step 5: Solve for x
    x = 289,959,078/15,992.56
  6. Step 6: Final answer
    x = 18,130.87

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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.