Home / 23,138.97-34,701.27-8,345.96

Finding the Fourth Proportional to 23,138.97, 34,701.27 and 8,345.96

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Solution

The fourth proportional to 23,138.97, 34,701.27 and 8,345.96 is: 12,516.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,138.97 : 34,701.27 = 8,345.96 : x
  2. Step 2: Convert to fraction form
    23,138.97/34,701.27 = 8,345.96/x
  3. Step 3: Cross multiply
    23,138.97x = 34,701.27 × 8,345.96
  4. Step 4: Simplify right side
    23,138.97x = 289,615,498.12
  5. Step 5: Solve for x
    x = 289,615,498.12/23,138.97
  6. Step 6: Final answer
    x = 12,516.35

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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.