Home / 12,465.93-18,698.75-3,581.48

Finding the Fourth Proportional to 12,465.93, 18,698.75 and 3,581.48

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Solution

The fourth proportional to 12,465.93, 18,698.75 and 3,581.48 is: 5,372.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,465.93 : 18,698.75 = 3,581.48 : x
  2. Step 2: Convert to fraction form
    12,465.93/18,698.75 = 3,581.48/x
  3. Step 3: Cross multiply
    12,465.93x = 18,698.75 × 3,581.48
  4. Step 4: Simplify right side
    12,465.93x = 66,969,105.66
  5. Step 5: Solve for x
    x = 66,969,105.66/12,465.93
  6. Step 6: Final answer
    x = 5,372.17

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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.