Home / 26,140.51-39,199.83-10,343.08

Finding the Fourth Proportional to 26,140.51, 39,199.83 and 10,343.08

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Solution

The fourth proportional to 26,140.51, 39,199.83 and 10,343.08 is: 15,510.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,140.51 : 39,199.83 = 10,343.08 : x
  2. Step 2: Convert to fraction form
    26,140.51/39,199.83 = 10,343.08/x
  3. Step 3: Cross multiply
    26,140.51x = 39,199.83 × 10,343.08
  4. Step 4: Simplify right side
    26,140.51x = 405,446,977.68
  5. Step 5: Solve for x
    x = 405,446,977.68/26,140.51
  6. Step 6: Final answer
    x = 15,510.29

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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.