Home / 16,615.78-22,932.21-10,949.65

Finding the Fourth Proportional to 16,615.78, 22,932.21 and 10,949.65

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Solution

The fourth proportional to 16,615.78, 22,932.21 and 10,949.65 is: 15,112.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,615.78 : 22,932.21 = 10,949.65 : x
  2. Step 2: Convert to fraction form
    16,615.78/22,932.21 = 10,949.65/x
  3. Step 3: Cross multiply
    16,615.78x = 22,932.21 × 10,949.65
  4. Step 4: Simplify right side
    16,615.78x = 251,099,673.23
  5. Step 5: Solve for x
    x = 251,099,673.23/16,615.78
  6. Step 6: Final answer
    x = 15,112.12

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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.