Home / 23,742.80-32,764.68-13,132.40

Finding the Fourth Proportional to 23,742.80, 32,764.68 and 13,132.40

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Solution

The fourth proportional to 23,742.80, 32,764.68 and 13,132.40 is: 18,122.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,742.80 : 32,764.68 = 13,132.40 : x
  2. Step 2: Convert to fraction form
    23,742.80/32,764.68 = 13,132.40/x
  3. Step 3: Cross multiply
    23,742.80x = 32,764.68 × 13,132.40
  4. Step 4: Simplify right side
    23,742.80x = 430,278,883.63
  5. Step 5: Solve for x
    x = 430,278,883.63/23,742.80
  6. Step 6: Final answer
    x = 18,122.50

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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.