Home / 23,288.58-32,138.91-12,678.39

Finding the Fourth Proportional to 23,288.58, 32,138.91 and 12,678.39

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Solution

The fourth proportional to 23,288.58, 32,138.91 and 12,678.39 is: 17,496.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,288.58 : 32,138.91 = 12,678.39 : x
  2. Step 2: Convert to fraction form
    23,288.58/32,138.91 = 12,678.39/x
  3. Step 3: Cross multiply
    23,288.58x = 32,138.91 × 12,678.39
  4. Step 4: Simplify right side
    23,288.58x = 407,469,635.15
  5. Step 5: Solve for x
    x = 407,469,635.15/23,288.58
  6. Step 6: Final answer
    x = 17,496.54

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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.