Home / 18,336.54-27,500.89-5,189.02

Finding the Fourth Proportional to 18,336.54, 27,500.89 and 5,189.02

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Solution

The fourth proportional to 18,336.54, 27,500.89 and 5,189.02 is: 7,782.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,336.54 : 27,500.89 = 5,189.02 : x
  2. Step 2: Convert to fraction form
    18,336.54/27,500.89 = 5,189.02/x
  3. Step 3: Cross multiply
    18,336.54x = 27,500.89 × 5,189.02
  4. Step 4: Simplify right side
    18,336.54x = 142,702,655.26
  5. Step 5: Solve for x
    x = 142,702,655.26/18,336.54
  6. Step 6: Final answer
    x = 7,782.42

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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.