Home / 18,478.13-27,711.32-5,995.27

Finding the Fourth Proportional to 18,478.13, 27,711.32 and 5,995.27

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Solution

The fourth proportional to 18,478.13, 27,711.32 and 5,995.27 is: 8,990.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,478.13 : 27,711.32 = 5,995.27 : x
  2. Step 2: Convert to fraction form
    18,478.13/27,711.32 = 5,995.27/x
  3. Step 3: Cross multiply
    18,478.13x = 27,711.32 × 5,995.27
  4. Step 4: Simplify right side
    18,478.13x = 166,136,694.24
  5. Step 5: Solve for x
    x = 166,136,694.24/18,478.13
  6. Step 6: Final answer
    x = 8,990.99

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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.