Home / 14,979.11-22,470.66-5,115.74

Finding the Fourth Proportional to 14,979.11, 22,470.66 and 5,115.74

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Solution

The fourth proportional to 14,979.11, 22,470.66 and 5,115.74 is: 7,674.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,979.11 : 22,470.66 = 5,115.74 : x
  2. Step 2: Convert to fraction form
    14,979.11/22,470.66 = 5,115.74/x
  3. Step 3: Cross multiply
    14,979.11x = 22,470.66 × 5,115.74
  4. Step 4: Simplify right side
    14,979.11x = 114,954,054.19
  5. Step 5: Solve for x
    x = 114,954,054.19/14,979.11
  6. Step 6: Final answer
    x = 7,674.29

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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.