Home / 19,669.61-27,144.20-10,717.35

Finding the Fourth Proportional to 19,669.61, 27,144.20 and 10,717.35

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Solution

The fourth proportional to 19,669.61, 27,144.20 and 10,717.35 is: 14,790.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,669.61 : 27,144.20 = 10,717.35 : x
  2. Step 2: Convert to fraction form
    19,669.61/27,144.20 = 10,717.35/x
  3. Step 3: Cross multiply
    19,669.61x = 27,144.20 × 10,717.35
  4. Step 4: Simplify right side
    19,669.61x = 290,913,918.66
  5. Step 5: Solve for x
    x = 290,913,918.66/19,669.61
  6. Step 6: Final answer
    x = 14,790.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.