Home / 23,308.12-32,165.44-13,236.78

Finding the Fourth Proportional to 23,308.12, 32,165.44 and 13,236.78

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Solution

The fourth proportional to 23,308.12, 32,165.44 and 13,236.78 is: 18,266.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,308.12 : 32,165.44 = 13,236.78 : x
  2. Step 2: Convert to fraction form
    23,308.12/32,165.44 = 13,236.78/x
  3. Step 3: Cross multiply
    23,308.12x = 32,165.44 × 13,236.78
  4. Step 4: Simplify right side
    23,308.12x = 425,766,852.88
  5. Step 5: Solve for x
    x = 425,766,852.88/23,308.12
  6. Step 6: Final answer
    x = 18,266.89

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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.