Home / 27,297.81-37,658.39-19,732.14

Finding the Fourth Proportional to 27,297.81, 37,658.39 and 19,732.14

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Solution

The fourth proportional to 27,297.81, 37,658.39 and 19,732.14 is: 27,221.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,297.81 : 37,658.39 = 19,732.14 : x
  2. Step 2: Convert to fraction form
    27,297.81/37,658.39 = 19,732.14/x
  3. Step 3: Cross multiply
    27,297.81x = 37,658.39 × 19,732.14
  4. Step 4: Simplify right side
    27,297.81x = 743,080,524.99
  5. Step 5: Solve for x
    x = 743,080,524.99/27,297.81
  6. Step 6: Final answer
    x = 27,221.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.