Home / 16,065.90-22,171.77-8,895.78

Finding the Fourth Proportional to 16,065.90, 22,171.77 and 8,895.78

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Solution

The fourth proportional to 16,065.90, 22,171.77 and 8,895.78 is: 12,276.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,065.90 : 22,171.77 = 8,895.78 : x
  2. Step 2: Convert to fraction form
    16,065.90/22,171.77 = 8,895.78/x
  3. Step 3: Cross multiply
    16,065.90x = 22,171.77 × 8,895.78
  4. Step 4: Simplify right side
    16,065.90x = 197,235,188.13
  5. Step 5: Solve for x
    x = 197,235,188.13/16,065.90
  6. Step 6: Final answer
    x = 12,276.63

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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.