Home / 14,112.24-19,475.25-7,979.44

Finding the Fourth Proportional to 14,112.24, 19,475.25 and 7,979.44

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Solution

The fourth proportional to 14,112.24, 19,475.25 and 7,979.44 is: 11,011.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112.24 : 19,475.25 = 7,979.44 : x
  2. Step 2: Convert to fraction form
    14,112.24/19,475.25 = 7,979.44/x
  3. Step 3: Cross multiply
    14,112.24x = 19,475.25 × 7,979.44
  4. Step 4: Simplify right side
    14,112.24x = 155,401,588.86
  5. Step 5: Solve for x
    x = 155,401,588.86/14,112.24
  6. Step 6: Final answer
    x = 11,011.83

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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.