Home / 19,741.92-27,242.70-10,789.50

Finding the Fourth Proportional to 19,741.92, 27,242.70 and 10,789.50

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Solution

The fourth proportional to 19,741.92, 27,242.70 and 10,789.50 is: 14,888.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,741.92 : 27,242.70 = 10,789.50 : x
  2. Step 2: Convert to fraction form
    19,741.92/27,242.70 = 10,789.50/x
  3. Step 3: Cross multiply
    19,741.92x = 27,242.70 × 10,789.50
  4. Step 4: Simplify right side
    19,741.92x = 293,935,111.65
  5. Step 5: Solve for x
    x = 293,935,111.65/19,741.92
  6. Step 6: Final answer
    x = 14,888.88

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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.