Home / 16,052.49-22,153.14-8,978.90

Finding the Fourth Proportional to 16,052.49, 22,153.14 and 8,978.90

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Solution

The fourth proportional to 16,052.49, 22,153.14 and 8,978.90 is: 12,391.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,052.49 : 22,153.14 = 8,978.90 : x
  2. Step 2: Convert to fraction form
    16,052.49/22,153.14 = 8,978.90/x
  3. Step 3: Cross multiply
    16,052.49x = 22,153.14 × 8,978.90
  4. Step 4: Simplify right side
    16,052.49x = 198,910,717.98
  5. Step 5: Solve for x
    x = 198,910,717.98/16,052.49
  6. Step 6: Final answer
    x = 12,391.27

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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.