Home / 18,551.48-27,794.61-15,451.34

Finding the Fourth Proportional to 18,551.48, 27,794.61 and 15,451.34

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Solution

The fourth proportional to 18,551.48, 27,794.61 and 15,451.34 is: 23,149.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,551.48 : 27,794.61 = 15,451.34 : x
  2. Step 2: Convert to fraction form
    18,551.48/27,794.61 = 15,451.34/x
  3. Step 3: Cross multiply
    18,551.48x = 27,794.61 × 15,451.34
  4. Step 4: Simplify right side
    18,551.48x = 429,463,830.30
  5. Step 5: Solve for x
    x = 429,463,830.30/18,551.48
  6. Step 6: Final answer
    x = 23,149.85

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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.