Home / 23,279.96-32,120.88-13,206.08

Finding the Fourth Proportional to 23,279.96, 32,120.88 and 13,206.08

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Solution

The fourth proportional to 23,279.96, 32,120.88 and 13,206.08 is: 18,221.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,279.96 : 32,120.88 = 13,206.08 : x
  2. Step 2: Convert to fraction form
    23,279.96/32,120.88 = 13,206.08/x
  3. Step 3: Cross multiply
    23,279.96x = 32,120.88 × 13,206.08
  4. Step 4: Simplify right side
    23,279.96x = 424,190,910.95
  5. Step 5: Solve for x
    x = 424,190,910.95/23,279.96
  6. Step 6: Final answer
    x = 18,221.29

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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.