Home / 14,979.60-22,469.41-5,118.97

Finding the Fourth Proportional to 14,979.60, 22,469.41 and 5,118.97

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Solution

The fourth proportional to 14,979.60, 22,469.41 and 5,118.97 is: 7,678.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,979.60 : 22,469.41 = 5,118.97 : x
  2. Step 2: Convert to fraction form
    14,979.60/22,469.41 = 5,118.97/x
  3. Step 3: Cross multiply
    14,979.60x = 22,469.41 × 5,118.97
  4. Step 4: Simplify right side
    14,979.60x = 115,020,153.94
  5. Step 5: Solve for x
    x = 115,020,153.94/14,979.60
  6. Step 6: Final answer
    x = 7,678.45

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1.5x scale

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.