Home / 23,140.32-34,702.11-8,345.27

Finding the Fourth Proportional to 23,140.32, 34,702.11 and 8,345.27

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Solution

The fourth proportional to 23,140.32, 34,702.11 and 8,345.27 is: 12,514.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,140.32 : 34,702.11 = 8,345.27 : x
  2. Step 2: Convert to fraction form
    23,140.32/34,702.11 = 8,345.27/x
  3. Step 3: Cross multiply
    23,140.32x = 34,702.11 × 8,345.27
  4. Step 4: Simplify right side
    23,140.32x = 289,598,304.01
  5. Step 5: Solve for x
    x = 289,598,304.01/23,140.32
  6. Step 6: Final answer
    x = 12,514.88

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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.