Home / 18,299.72-27,451.41-4,972.94

Finding the Fourth Proportional to 18,299.72, 27,451.41 and 4,972.94

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Solution

The fourth proportional to 18,299.72, 27,451.41 and 4,972.94 is: 7,459.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,299.72 : 27,451.41 = 4,972.94 : x
  2. Step 2: Convert to fraction form
    18,299.72/27,451.41 = 4,972.94/x
  3. Step 3: Cross multiply
    18,299.72x = 27,451.41 × 4,972.94
  4. Step 4: Simplify right side
    18,299.72x = 136,514,316.30
  5. Step 5: Solve for x
    x = 136,514,316.30/18,299.72
  6. Step 6: Final answer
    x = 7,459.91

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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.