Home / 15,403.66-23,105.54-3,716.88

Finding the Fourth Proportional to 15,403.66, 23,105.54 and 3,716.88

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Solution

The fourth proportional to 15,403.66, 23,105.54 and 3,716.88 is: 5,575.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,403.66 : 23,105.54 = 3,716.88 : x
  2. Step 2: Convert to fraction form
    15,403.66/23,105.54 = 3,716.88/x
  3. Step 3: Cross multiply
    15,403.66x = 23,105.54 × 3,716.88
  4. Step 4: Simplify right side
    15,403.66x = 85,880,519.52
  5. Step 5: Solve for x
    x = 85,880,519.52/15,403.66
  6. Step 6: Final answer
    x = 5,575.33

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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.