Home / 23,144.60-34,730.72-21,262.40

Finding the Fourth Proportional to 23,144.60, 34,730.72 and 21,262.40

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Solution

The fourth proportional to 23,144.60, 34,730.72 and 21,262.40 is: 31,906.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,144.60 : 34,730.72 = 21,262.40 : x
  2. Step 2: Convert to fraction form
    23,144.60/34,730.72 = 21,262.40/x
  3. Step 3: Cross multiply
    23,144.60x = 34,730.72 × 21,262.40
  4. Step 4: Simplify right side
    23,144.60x = 738,458,460.93
  5. Step 5: Solve for x
    x = 738,458,460.93/23,144.60
  6. Step 6: Final answer
    x = 31,906.30

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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.