Home / 18,391.28-27,562.32-6,693.44

Finding the Fourth Proportional to 18,391.28, 27,562.32 and 6,693.44

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Solution

The fourth proportional to 18,391.28, 27,562.32 and 6,693.44 is: 10,031.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,391.28 : 27,562.32 = 6,693.44 : x
  2. Step 2: Convert to fraction form
    18,391.28/27,562.32 = 6,693.44/x
  3. Step 3: Cross multiply
    18,391.28x = 27,562.32 × 6,693.44
  4. Step 4: Simplify right side
    18,391.28x = 184,486,735.18
  5. Step 5: Solve for x
    x = 184,486,735.18/18,391.28
  6. Step 6: Final answer
    x = 10,031.21

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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.