Home / 15,968.78-23,950.40-4,279.26

Finding the Fourth Proportional to 15,968.78, 23,950.40 and 4,279.26

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Solution

The fourth proportional to 15,968.78, 23,950.40 and 4,279.26 is: 6,418.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,968.78 : 23,950.40 = 4,279.26 : x
  2. Step 2: Convert to fraction form
    15,968.78/23,950.40 = 4,279.26/x
  3. Step 3: Cross multiply
    15,968.78x = 23,950.40 × 4,279.26
  4. Step 4: Simplify right side
    15,968.78x = 102,489,988.70
  5. Step 5: Solve for x
    x = 102,489,988.70/15,968.78
  6. Step 6: Final answer
    x = 6,418.15

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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.