Home / 23,388.11-32,276.06-12,778.42

Finding the Fourth Proportional to 23,388.11, 32,276.06 and 12,778.42

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Solution

The fourth proportional to 23,388.11, 32,276.06 and 12,778.42 is: 17,634.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,388.11 : 32,276.06 = 12,778.42 : x
  2. Step 2: Convert to fraction form
    23,388.11/32,276.06 = 12,778.42/x
  3. Step 3: Cross multiply
    23,388.11x = 32,276.06 × 12,778.42
  4. Step 4: Simplify right side
    23,388.11x = 412,437,050.63
  5. Step 5: Solve for x
    x = 412,437,050.63/23,388.11
  6. Step 6: Final answer
    x = 17,634.48

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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.