Home / 14,247.38-21,378.36-6,352.31

Finding the Fourth Proportional to 14,247.38, 21,378.36 and 6,352.31

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Solution

The fourth proportional to 14,247.38, 21,378.36 and 6,352.31 is: 9,531.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,247.38 : 21,378.36 = 6,352.31 : x
  2. Step 2: Convert to fraction form
    14,247.38/21,378.36 = 6,352.31/x
  3. Step 3: Cross multiply
    14,247.38x = 21,378.36 × 6,352.31
  4. Step 4: Simplify right side
    14,247.38x = 135,801,863.12
  5. Step 5: Solve for x
    x = 135,801,863.12/14,247.38
  6. Step 6: Final answer
    x = 9,531.71

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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.