Home / 19,301.46-28,895.85-11,883.66

Finding the Fourth Proportional to 19,301.46, 28,895.85 and 11,883.66

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Solution

The fourth proportional to 19,301.46, 28,895.85 and 11,883.66 is: 17,790.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,301.46 : 28,895.85 = 11,883.66 : x
  2. Step 2: Convert to fraction form
    19,301.46/28,895.85 = 11,883.66/x
  3. Step 3: Cross multiply
    19,301.46x = 28,895.85 × 11,883.66
  4. Step 4: Simplify right side
    19,301.46x = 343,388,456.81
  5. Step 5: Solve for x
    x = 343,388,456.81/19,301.46
  6. Step 6: Final answer
    x = 17,790.80

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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.