Home / 26,586.78-39,889.35-11,806.04

Finding the Fourth Proportional to 26,586.78, 39,889.35 and 11,806.04

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Solution

The fourth proportional to 26,586.78, 39,889.35 and 11,806.04 is: 17,713.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,586.78 : 39,889.35 = 11,806.04 : x
  2. Step 2: Convert to fraction form
    26,586.78/39,889.35 = 11,806.04/x
  3. Step 3: Cross multiply
    26,586.78x = 39,889.35 × 11,806.04
  4. Step 4: Simplify right side
    26,586.78x = 470,935,062.23
  5. Step 5: Solve for x
    x = 470,935,062.23/26,586.78
  6. Step 6: Final answer
    x = 17,713.13

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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.