Home / 16,042.05-22,139.01-8,968.95

Finding the Fourth Proportional to 16,042.05, 22,139.01 and 8,968.95

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Solution

The fourth proportional to 16,042.05, 22,139.01 and 8,968.95 is: 12,377.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,042.05 : 22,139.01 = 8,968.95 : x
  2. Step 2: Convert to fraction form
    16,042.05/22,139.01 = 8,968.95/x
  3. Step 3: Cross multiply
    16,042.05x = 22,139.01 × 8,968.95
  4. Step 4: Simplify right side
    16,042.05x = 198,563,673.74
  5. Step 5: Solve for x
    x = 198,563,673.74/16,042.05
  6. Step 6: Final answer
    x = 12,377.70

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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.