Home / 14,195.75-19,589.33-8,144.71

Finding the Fourth Proportional to 14,195.75, 19,589.33 and 8,144.71

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Solution

The fourth proportional to 14,195.75, 19,589.33 and 8,144.71 is: 11,239.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,195.75 : 19,589.33 = 8,144.71 : x
  2. Step 2: Convert to fraction form
    14,195.75/19,589.33 = 8,144.71/x
  3. Step 3: Cross multiply
    14,195.75x = 19,589.33 × 8,144.71
  4. Step 4: Simplify right side
    14,195.75x = 159,549,322.25
  5. Step 5: Solve for x
    x = 159,549,322.25/14,195.75
  6. Step 6: Final answer
    x = 11,239.24

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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.