Home / 18,593.39-27,890.59-5,445.75

Finding the Fourth Proportional to 18,593.39, 27,890.59 and 5,445.75

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Solution

The fourth proportional to 18,593.39, 27,890.59 and 5,445.75 is: 8,168.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,593.39 : 27,890.59 = 5,445.75 : x
  2. Step 2: Convert to fraction form
    18,593.39/27,890.59 = 5,445.75/x
  3. Step 3: Cross multiply
    18,593.39x = 27,890.59 × 5,445.75
  4. Step 4: Simplify right side
    18,593.39x = 151,885,180.49
  5. Step 5: Solve for x
    x = 151,885,180.49/18,593.39
  6. Step 6: Final answer
    x = 8,168.77

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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.