Home / 23,231.16-34,854.78-16,911.90

Finding the Fourth Proportional to 23,231.16, 34,854.78 and 16,911.90

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Solution

The fourth proportional to 23,231.16, 34,854.78 and 16,911.90 is: 25,373.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,231.16 : 34,854.78 = 16,911.90 : x
  2. Step 2: Convert to fraction form
    23,231.16/34,854.78 = 16,911.90/x
  3. Step 3: Cross multiply
    23,231.16x = 34,854.78 × 16,911.90
  4. Step 4: Simplify right side
    23,231.16x = 589,460,553.88
  5. Step 5: Solve for x
    x = 589,460,553.88/23,231.16
  6. Step 6: Final answer
    x = 25,373.70

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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.