Home / 18,531.18-27,797.99-5,384.48

Finding the Fourth Proportional to 18,531.18, 27,797.99 and 5,384.48

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Solution

The fourth proportional to 18,531.18, 27,797.99 and 5,384.48 is: 8,077.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,531.18 : 27,797.99 = 5,384.48 : x
  2. Step 2: Convert to fraction form
    18,531.18/27,797.99 = 5,384.48/x
  3. Step 3: Cross multiply
    18,531.18x = 27,797.99 × 5,384.48
  4. Step 4: Simplify right side
    18,531.18x = 149,677,555.28
  5. Step 5: Solve for x
    x = 149,677,555.28/18,531.18
  6. Step 6: Final answer
    x = 8,077.07

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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.