Home / 15,418.44-23,121.57-5,554.26

Finding the Fourth Proportional to 15,418.44, 23,121.57 and 5,554.26

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Solution

The fourth proportional to 15,418.44, 23,121.57 and 5,554.26 is: 8,329.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,418.44 : 23,121.57 = 5,554.26 : x
  2. Step 2: Convert to fraction form
    15,418.44/23,121.57 = 5,554.26/x
  3. Step 3: Cross multiply
    15,418.44x = 23,121.57 × 5,554.26
  4. Step 4: Simplify right side
    15,418.44x = 128,423,211.39
  5. Step 5: Solve for x
    x = 128,423,211.39/15,418.44
  6. Step 6: Final answer
    x = 8,329.20

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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.