Home / 15,467.12-23,198.28-5,078.80

Finding the Fourth Proportional to 15,467.12, 23,198.28 and 5,078.80

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Solution

The fourth proportional to 15,467.12, 23,198.28 and 5,078.80 is: 7,617.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,467.12 : 23,198.28 = 5,078.80 : x
  2. Step 2: Convert to fraction form
    15,467.12/23,198.28 = 5,078.80/x
  3. Step 3: Cross multiply
    15,467.12x = 23,198.28 × 5,078.80
  4. Step 4: Simplify right side
    15,467.12x = 117,819,424.46
  5. Step 5: Solve for x
    x = 117,819,424.46/15,467.12
  6. Step 6: Final answer
    x = 7,617.41

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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.