Home / 16,040.69-22,135.77-8,967.77

Finding the Fourth Proportional to 16,040.69, 22,135.77 and 8,967.77

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Solution

The fourth proportional to 16,040.69, 22,135.77 and 8,967.77 is: 12,375.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,040.69 : 22,135.77 = 8,967.77 : x
  2. Step 2: Convert to fraction form
    16,040.69/22,135.77 = 8,967.77/x
  3. Step 3: Cross multiply
    16,040.69x = 22,135.77 × 8,967.77
  4. Step 4: Simplify right side
    16,040.69x = 198,508,494.13
  5. Step 5: Solve for x
    x = 198,508,494.13/16,040.69
  6. Step 6: Final answer
    x = 12,375.31

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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.