Home / 27,318.24-40,982.13-11,307.69

Finding the Fourth Proportional to 27,318.24, 40,982.13 and 11,307.69

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Solution

The fourth proportional to 27,318.24, 40,982.13 and 11,307.69 is: 16,963.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,318.24 : 40,982.13 = 11,307.69 : x
  2. Step 2: Convert to fraction form
    27,318.24/40,982.13 = 11,307.69/x
  3. Step 3: Cross multiply
    27,318.24x = 40,982.13 × 11,307.69
  4. Step 4: Simplify right side
    27,318.24x = 463,413,221.58
  5. Step 5: Solve for x
    x = 463,413,221.58/27,318.24
  6. Step 6: Final answer
    x = 16,963.51

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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.