Home / 15,648.81-23,471.01-5,786.43

Finding the Fourth Proportional to 15,648.81, 23,471.01 and 5,786.43

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Solution

The fourth proportional to 15,648.81, 23,471.01 and 5,786.43 is: 8,678.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,648.81 : 23,471.01 = 5,786.43 : x
  2. Step 2: Convert to fraction form
    15,648.81/23,471.01 = 5,786.43/x
  3. Step 3: Cross multiply
    15,648.81x = 23,471.01 × 5,786.43
  4. Step 4: Simplify right side
    15,648.81x = 135,813,356.39
  5. Step 5: Solve for x
    x = 135,813,356.39/15,648.81
  6. Step 6: Final answer
    x = 8,678.83

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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.