Home / 17,784.96-26,619.49-13,103.11

Finding the Fourth Proportional to 17,784.96, 26,619.49 and 13,103.11

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Solution

The fourth proportional to 17,784.96, 26,619.49 and 13,103.11 is: 19,611.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,784.96 : 26,619.49 = 13,103.11 : x
  2. Step 2: Convert to fraction form
    17,784.96/26,619.49 = 13,103.11/x
  3. Step 3: Cross multiply
    17,784.96x = 26,619.49 × 13,103.11
  4. Step 4: Simplify right side
    17,784.96x = 348,798,105.61
  5. Step 5: Solve for x
    x = 348,798,105.61/17,784.96
  6. Step 6: Final answer
    x = 19,611.97

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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.