Home / 23,388.12-32,275.50-13,318.44

Finding the Fourth Proportional to 23,388.12, 32,275.50 and 13,318.44

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Solution

The fourth proportional to 23,388.12, 32,275.50 and 13,318.44 is: 18,379.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,388.12 : 32,275.50 = 13,318.44 : x
  2. Step 2: Convert to fraction form
    23,388.12/32,275.50 = 13,318.44/x
  3. Step 3: Cross multiply
    23,388.12x = 32,275.50 × 13,318.44
  4. Step 4: Simplify right side
    23,388.12x = 429,859,310.22
  5. Step 5: Solve for x
    x = 429,859,310.22/23,388.12
  6. Step 6: Final answer
    x = 18,379.39

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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.