Home / 14,309.43-19,748.16-7,936.65

Finding the Fourth Proportional to 14,309.43, 19,748.16 and 7,936.65

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Solution

The fourth proportional to 14,309.43, 19,748.16 and 7,936.65 is: 10,953.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,309.43 : 19,748.16 = 7,936.65 : x
  2. Step 2: Convert to fraction form
    14,309.43/19,748.16 = 7,936.65/x
  3. Step 3: Cross multiply
    14,309.43x = 19,748.16 × 7,936.65
  4. Step 4: Simplify right side
    14,309.43x = 156,734,234.06
  5. Step 5: Solve for x
    x = 156,734,234.06/14,309.43
  6. Step 6: Final answer
    x = 10,953.21

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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.