Home / 15,646.14-23,469.39-5,257.89

Finding the Fourth Proportional to 15,646.14, 23,469.39 and 5,257.89

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Solution

The fourth proportional to 15,646.14, 23,469.39 and 5,257.89 is: 7,886.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,646.14 : 23,469.39 = 5,257.89 : x
  2. Step 2: Convert to fraction form
    15,646.14/23,469.39 = 5,257.89/x
  3. Step 3: Cross multiply
    15,646.14x = 23,469.39 × 5,257.89
  4. Step 4: Simplify right side
    15,646.14x = 123,399,470.99
  5. Step 5: Solve for x
    x = 123,399,470.99/15,646.14
  6. Step 6: Final answer
    x = 7,886.90

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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.