Home / 14,112.58-19,475.20-8,144.12

Finding the Fourth Proportional to 14,112.58, 19,475.20 and 8,144.12

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Solution

The fourth proportional to 14,112.58, 19,475.20 and 8,144.12 is: 11,238.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112.58 : 19,475.20 = 8,144.12 : x
  2. Step 2: Convert to fraction form
    14,112.58/19,475.20 = 8,144.12/x
  3. Step 3: Cross multiply
    14,112.58x = 19,475.20 × 8,144.12
  4. Step 4: Simplify right side
    14,112.58x = 158,608,434.87
  5. Step 5: Solve for x
    x = 158,608,434.87/14,112.58
  6. Step 6: Final answer
    x = 11,238.80

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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.