Home / 19,670.18-27,145.04-10,717.83

Finding the Fourth Proportional to 19,670.18, 27,145.04 and 10,717.83

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Solution

The fourth proportional to 19,670.18, 27,145.04 and 10,717.83 is: 14,790.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,670.18 : 27,145.04 = 10,717.83 : x
  2. Step 2: Convert to fraction form
    19,670.18/27,145.04 = 10,717.83/x
  3. Step 3: Cross multiply
    19,670.18x = 27,145.04 × 10,717.83
  4. Step 4: Simplify right side
    19,670.18x = 290,935,788.34
  5. Step 5: Solve for x
    x = 290,935,788.34/19,670.18
  6. Step 6: Final answer
    x = 14,790.71

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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.