Home / 18,612.48-27,923.04-5,464.80

Finding the Fourth Proportional to 18,612.48, 27,923.04 and 5,464.80

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Solution

The fourth proportional to 18,612.48, 27,923.04 and 5,464.80 is: 8,198.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,612.48 : 27,923.04 = 5,464.80 : x
  2. Step 2: Convert to fraction form
    18,612.48/27,923.04 = 5,464.80/x
  3. Step 3: Cross multiply
    18,612.48x = 27,923.04 × 5,464.80
  4. Step 4: Simplify right side
    18,612.48x = 152,593,828.99
  5. Step 5: Solve for x
    x = 152,593,828.99/18,612.48
  6. Step 6: Final answer
    x = 8,198.47

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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.