Home / 23,118.92-34,678.40-11,440.36

Finding the Fourth Proportional to 23,118.92, 34,678.40 and 11,440.36

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Solution

The fourth proportional to 23,118.92, 34,678.40 and 11,440.36 is: 17,160.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,118.92 : 34,678.40 = 11,440.36 : x
  2. Step 2: Convert to fraction form
    23,118.92/34,678.40 = 11,440.36/x
  3. Step 3: Cross multiply
    23,118.92x = 34,678.40 × 11,440.36
  4. Step 4: Simplify right side
    23,118.92x = 396,733,380.22
  5. Step 5: Solve for x
    x = 396,733,380.22/23,118.92
  6. Step 6: Final answer
    x = 17,160.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.