Home / 23,137.68-34,702.15-11,279.55

Finding the Fourth Proportional to 23,137.68, 34,702.15 and 11,279.55

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Solution

The fourth proportional to 23,137.68, 34,702.15 and 11,279.55 is: 16,917.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,137.68 : 34,702.15 = 11,279.55 : x
  2. Step 2: Convert to fraction form
    23,137.68/34,702.15 = 11,279.55/x
  3. Step 3: Cross multiply
    23,137.68x = 34,702.15 × 11,279.55
  4. Step 4: Simplify right side
    23,137.68x = 391,424,636.03
  5. Step 5: Solve for x
    x = 391,424,636.03/23,137.68
  6. Step 6: Final answer
    x = 16,917.19

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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.