Home / 18,532.32-27,803.04-5,384.82

Finding the Fourth Proportional to 18,532.32, 27,803.04 and 5,384.82

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Solution

The fourth proportional to 18,532.32, 27,803.04 and 5,384.82 is: 8,078.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,532.32 : 27,803.04 = 5,384.82 : x
  2. Step 2: Convert to fraction form
    18,532.32/27,803.04 = 5,384.82/x
  3. Step 3: Cross multiply
    18,532.32x = 27,803.04 × 5,384.82
  4. Step 4: Simplify right side
    18,532.32x = 149,714,365.85
  5. Step 5: Solve for x
    x = 149,714,365.85/18,532.32
  6. Step 6: Final answer
    x = 8,078.55

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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.