Home / 15,499.61-23,249.19-3,812.93

Finding the Fourth Proportional to 15,499.61, 23,249.19 and 3,812.93

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Solution

The fourth proportional to 15,499.61, 23,249.19 and 3,812.93 is: 5,719.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,499.61 : 23,249.19 = 3,812.93 : x
  2. Step 2: Convert to fraction form
    15,499.61/23,249.19 = 3,812.93/x
  3. Step 3: Cross multiply
    15,499.61x = 23,249.19 × 3,812.93
  4. Step 4: Simplify right side
    15,499.61x = 88,647,417.78
  5. Step 5: Solve for x
    x = 88,647,417.78/15,499.61
  6. Step 6: Final answer
    x = 5,719.33

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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.