Home / 16,044.35-22,142.39-8,970.30

Finding the Fourth Proportional to 16,044.35, 22,142.39 and 8,970.30

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Solution

The fourth proportional to 16,044.35, 22,142.39 and 8,970.30 is: 12,379.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,044.35 : 22,142.39 = 8,970.30 : x
  2. Step 2: Convert to fraction form
    16,044.35/22,142.39 = 8,970.30/x
  3. Step 3: Cross multiply
    16,044.35x = 22,142.39 × 8,970.30
  4. Step 4: Simplify right side
    16,044.35x = 198,623,836.17
  5. Step 5: Solve for x
    x = 198,623,836.17/16,044.35
  6. Step 6: Final answer
    x = 12,379.68

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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.