Home / 18,483.80-27,720.23-5,336.28

Finding the Fourth Proportional to 18,483.80, 27,720.23 and 5,336.28

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Solution

The fourth proportional to 18,483.80, 27,720.23 and 5,336.28 is: 8,002.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,483.80 : 27,720.23 = 5,336.28 : x
  2. Step 2: Convert to fraction form
    18,483.80/27,720.23 = 5,336.28/x
  3. Step 3: Cross multiply
    18,483.80x = 27,720.23 × 5,336.28
  4. Step 4: Simplify right side
    18,483.80x = 147,922,882.26
  5. Step 5: Solve for x
    x = 147,922,882.26/18,483.80
  6. Step 6: Final answer
    x = 8,002.84

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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.