Home / 19,790.65-27,310.72-10,837.99

Finding the Fourth Proportional to 19,790.65, 27,310.72 and 10,837.99

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Solution

The fourth proportional to 19,790.65, 27,310.72 and 10,837.99 is: 14,956.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,790.65 : 27,310.72 = 10,837.99 : x
  2. Step 2: Convert to fraction form
    19,790.65/27,310.72 = 10,837.99/x
  3. Step 3: Cross multiply
    19,790.65x = 27,310.72 × 10,837.99
  4. Step 4: Simplify right side
    19,790.65x = 295,993,310.25
  5. Step 5: Solve for x
    x = 295,993,310.25/19,790.65
  6. Step 6: Final answer
    x = 14,956.22

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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.