Home / 18,439.24-27,632.94-8,029.16

Finding the Fourth Proportional to 18,439.24, 27,632.94 and 8,029.16

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Solution

The fourth proportional to 18,439.24, 27,632.94 and 8,029.16 is: 12,032.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,439.24 : 27,632.94 = 8,029.16 : x
  2. Step 2: Convert to fraction form
    18,439.24/27,632.94 = 8,029.16/x
  3. Step 3: Cross multiply
    18,439.24x = 27,632.94 × 8,029.16
  4. Step 4: Simplify right side
    18,439.24x = 221,869,296.53
  5. Step 5: Solve for x
    x = 221,869,296.53/18,439.24
  6. Step 6: Final answer
    x = 12,032.45

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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.