Home / 13,348.26-20,009.07-6,315.75

Finding the Fourth Proportional to 13,348.26, 20,009.07 and 6,315.75

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Solution

The fourth proportional to 13,348.26, 20,009.07 and 6,315.75 is: 9,467.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,348.26 : 20,009.07 = 6,315.75 : x
  2. Step 2: Convert to fraction form
    13,348.26/20,009.07 = 6,315.75/x
  3. Step 3: Cross multiply
    13,348.26x = 20,009.07 × 6,315.75
  4. Step 4: Simplify right side
    13,348.26x = 126,372,283.85
  5. Step 5: Solve for x
    x = 126,372,283.85/13,348.26
  6. Step 6: Final answer
    x = 9,467.32

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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.