Home / 16,020.78-24,042.92-12,937.65

Finding the Fourth Proportional to 16,020.78, 24,042.92 and 12,937.65

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Solution

The fourth proportional to 16,020.78, 24,042.92 and 12,937.65 is: 19,415.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,020.78 : 24,042.92 = 12,937.65 : x
  2. Step 2: Convert to fraction form
    16,020.78/24,042.92 = 12,937.65/x
  3. Step 3: Cross multiply
    16,020.78x = 24,042.92 × 12,937.65
  4. Step 4: Simplify right side
    16,020.78x = 311,058,819.25
  5. Step 5: Solve for x
    x = 311,058,819.25/16,020.78
  6. Step 6: Final answer
    x = 19,415.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.