Home / 23,748.12-32,770.78-13,138.13

Finding the Fourth Proportional to 23,748.12, 32,770.78 and 13,138.13

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Solution

The fourth proportional to 23,748.12, 32,770.78 and 13,138.13 is: 18,129.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,748.12 : 32,770.78 = 13,138.13 : x
  2. Step 2: Convert to fraction form
    23,748.12/32,770.78 = 13,138.13/x
  3. Step 3: Cross multiply
    23,748.12x = 32,770.78 × 13,138.13
  4. Step 4: Simplify right side
    23,748.12x = 430,546,816.92
  5. Step 5: Solve for x
    x = 430,546,816.92/23,748.12
  6. Step 6: Final answer
    x = 18,129.72

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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.