Home / 23,153.62-31,951.98-12,543.26

Finding the Fourth Proportional to 23,153.62, 31,951.98 and 12,543.26

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Solution

The fourth proportional to 23,153.62, 31,951.98 and 12,543.26 is: 17,309.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,153.62 : 31,951.98 = 12,543.26 : x
  2. Step 2: Convert to fraction form
    23,153.62/31,951.98 = 12,543.26/x
  3. Step 3: Cross multiply
    23,153.62x = 31,951.98 × 12,543.26
  4. Step 4: Simplify right side
    23,153.62x = 400,781,992.65
  5. Step 5: Solve for x
    x = 400,781,992.65/23,153.62
  6. Step 6: Final answer
    x = 17,309.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.