Home / 15,843.12-23,756.49-6,954.81

Finding the Fourth Proportional to 15,843.12, 23,756.49 and 6,954.81

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Solution

The fourth proportional to 15,843.12, 23,756.49 and 6,954.81 is: 10,428.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,843.12 : 23,756.49 = 6,954.81 : x
  2. Step 2: Convert to fraction form
    15,843.12/23,756.49 = 6,954.81/x
  3. Step 3: Cross multiply
    15,843.12x = 23,756.49 × 6,954.81
  4. Step 4: Simplify right side
    15,843.12x = 165,221,874.22
  5. Step 5: Solve for x
    x = 165,221,874.22/15,843.12
  6. Step 6: Final answer
    x = 10,428.62

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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.