Home / 16,041.70-22,137.14-8,968.78

Finding the Fourth Proportional to 16,041.70, 22,137.14 and 8,968.78

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Solution

The fourth proportional to 16,041.70, 22,137.14 and 8,968.78 is: 12,376.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,041.70 : 22,137.14 = 8,968.78 : x
  2. Step 2: Convert to fraction form
    16,041.70/22,137.14 = 8,968.78/x
  3. Step 3: Cross multiply
    16,041.70x = 22,137.14 × 8,968.78
  4. Step 4: Simplify right side
    16,041.70x = 198,543,138.49
  5. Step 5: Solve for x
    x = 198,543,138.49/16,041.70
  6. Step 6: Final answer
    x = 12,376.69

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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.