Home / 23,748.80-32,773.20-13,138.21

Finding the Fourth Proportional to 23,748.80, 32,773.20 and 13,138.21

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Solution

The fourth proportional to 23,748.80, 32,773.20 and 13,138.21 is: 18,130.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,748.80 : 32,773.20 = 13,138.21 : x
  2. Step 2: Convert to fraction form
    23,748.80/32,773.20 = 13,138.21/x
  3. Step 3: Cross multiply
    23,748.80x = 32,773.20 × 13,138.21
  4. Step 4: Simplify right side
    23,748.80x = 430,581,020.11
  5. Step 5: Solve for x
    x = 430,581,020.11/23,748.80
  6. Step 6: Final answer
    x = 18,130.64

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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.