Home / 23,139.49-34,702.05-8,346.48

Finding the Fourth Proportional to 23,139.49, 34,702.05 and 8,346.48

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Solution

The fourth proportional to 23,139.49, 34,702.05 and 8,346.48 is: 12,517.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,139.49 : 34,702.05 = 8,346.48 : x
  2. Step 2: Convert to fraction form
    23,139.49/34,702.05 = 8,346.48/x
  3. Step 3: Cross multiply
    23,139.49x = 34,702.05 × 8,346.48
  4. Step 4: Simplify right side
    23,139.49x = 289,639,867.45
  5. Step 5: Solve for x
    x = 289,639,867.45/23,139.49
  6. Step 6: Final answer
    x = 12,517.12

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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.