Home / 13,262.27-19,896.81-3,902.58

Finding the Fourth Proportional to 13,262.27, 19,896.81 and 3,902.58

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Solution

The fourth proportional to 13,262.27, 19,896.81 and 3,902.58 is: 5,854.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,262.27 : 19,896.81 = 3,902.58 : x
  2. Step 2: Convert to fraction form
    13,262.27/19,896.81 = 3,902.58/x
  3. Step 3: Cross multiply
    13,262.27x = 19,896.81 × 3,902.58
  4. Step 4: Simplify right side
    13,262.27x = 77,648,878.14
  5. Step 5: Solve for x
    x = 77,648,878.14/13,262.27
  6. Step 6: Final answer
    x = 5,854.87

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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.