Home / 18,336.68-27,507.34-5,189.06

Finding the Fourth Proportional to 18,336.68, 27,507.34 and 5,189.06

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Solution

The fourth proportional to 18,336.68, 27,507.34 and 5,189.06 is: 7,784.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,336.68 : 27,507.34 = 5,189.06 : x
  2. Step 2: Convert to fraction form
    18,336.68/27,507.34 = 5,189.06/x
  3. Step 3: Cross multiply
    18,336.68x = 27,507.34 × 5,189.06
  4. Step 4: Simplify right side
    18,336.68x = 142,737,100.16
  5. Step 5: Solve for x
    x = 142,737,100.16/18,336.68
  6. Step 6: Final answer
    x = 7,784.24

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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.