Home / 22,471.08-33,710.96-8,619

Finding the Fourth Proportional to 22,471.08, 33,710.96 and 8,619

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Solution

The fourth proportional to 22,471.08, 33,710.96 and 8,619 is: 12,930.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,471.08 : 33,710.96 = 8,619 : x
  2. Step 2: Convert to fraction form
    22,471.08/33,710.96 = 8,619/x
  3. Step 3: Cross multiply
    22,471.08x = 33,710.96 × 8,619
  4. Step 4: Simplify right side
    22,471.08x = 290,554,721.15
  5. Step 5: Solve for x
    x = 290,554,721.15/22,471.08
  6. Step 6: Final answer
    x = 12,930.16

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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.