Home / 19,116.92-28,691.16-9,763.84

Finding the Fourth Proportional to 19,116.92, 28,691.16 and 9,763.84

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Solution

The fourth proportional to 19,116.92, 28,691.16 and 9,763.84 is: 14,653.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,116.92 : 28,691.16 = 9,763.84 : x
  2. Step 2: Convert to fraction form
    19,116.92/28,691.16 = 9,763.84/x
  3. Step 3: Cross multiply
    19,116.92x = 28,691.16 × 9,763.84
  4. Step 4: Simplify right side
    19,116.92x = 280,135,895.65
  5. Step 5: Solve for x
    x = 280,135,895.65/19,116.92
  6. Step 6: Final answer
    x = 14,653.82

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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.