Home / 16,629.78-22,951.95-15,882.42

Finding the Fourth Proportional to 16,629.78, 22,951.95 and 15,882.42

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Solution

The fourth proportional to 16,629.78, 22,951.95 and 15,882.42 is: 21,920.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,629.78 : 22,951.95 = 15,882.42 : x
  2. Step 2: Convert to fraction form
    16,629.78/22,951.95 = 15,882.42/x
  3. Step 3: Cross multiply
    16,629.78x = 22,951.95 × 15,882.42
  4. Step 4: Simplify right side
    16,629.78x = 364,532,509.72
  5. Step 5: Solve for x
    x = 364,532,509.72/16,629.78
  6. Step 6: Final answer
    x = 21,920.46

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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.