Home / 16,035.12-22,128.96-8,963.52

Finding the Fourth Proportional to 16,035.12, 22,128.96 and 8,963.52

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Solution

The fourth proportional to 16,035.12, 22,128.96 and 8,963.52 is: 12,369.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,035.12 : 22,128.96 = 8,963.52 : x
  2. Step 2: Convert to fraction form
    16,035.12/22,128.96 = 8,963.52/x
  3. Step 3: Cross multiply
    16,035.12x = 22,128.96 × 8,963.52
  4. Step 4: Simplify right side
    16,035.12x = 198,353,375.54
  5. Step 5: Solve for x
    x = 198,353,375.54/16,035.12
  6. Step 6: Final answer
    x = 12,369.93

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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.