Home / 23,388.40-32,276.46-12,778.48

Finding the Fourth Proportional to 23,388.40, 32,276.46 and 12,778.48

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Solution

The fourth proportional to 23,388.40, 32,276.46 and 12,778.48 is: 17,634.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,388.40 : 32,276.46 = 12,778.48 : x
  2. Step 2: Convert to fraction form
    23,388.40/32,276.46 = 12,778.48/x
  3. Step 3: Cross multiply
    23,388.40x = 32,276.46 × 12,778.48
  4. Step 4: Simplify right side
    23,388.40x = 412,444,098.58
  5. Step 5: Solve for x
    x = 412,444,098.58/23,388.40
  6. Step 6: Final answer
    x = 17,634.56

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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.