Home / 14,980.91-22,471.37-5,120.27

Finding the Fourth Proportional to 14,980.91, 22,471.37 and 5,120.27

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Solution

The fourth proportional to 14,980.91, 22,471.37 and 5,120.27 is: 7,680.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,980.91 : 22,471.37 = 5,120.27 : x
  2. Step 2: Convert to fraction form
    14,980.91/22,471.37 = 5,120.27/x
  3. Step 3: Cross multiply
    14,980.91x = 22,471.37 × 5,120.27
  4. Step 4: Simplify right side
    14,980.91x = 115,059,456.07
  5. Step 5: Solve for x
    x = 115,059,456.07/14,980.91
  6. Step 6: Final answer
    x = 7,680.41

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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.