Home / 19,791.14-27,311.48-10,838.61

Finding the Fourth Proportional to 19,791.14, 27,311.48 and 10,838.61

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Solution

The fourth proportional to 19,791.14, 27,311.48 and 10,838.61 is: 14,957.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,791.14 : 27,311.48 = 10,838.61 : x
  2. Step 2: Convert to fraction form
    19,791.14/27,311.48 = 10,838.61/x
  3. Step 3: Cross multiply
    19,791.14x = 27,311.48 × 10,838.61
  4. Step 4: Simplify right side
    19,791.14x = 296,018,466.69
  5. Step 5: Solve for x
    x = 296,018,466.69/19,791.14
  6. Step 6: Final answer
    x = 14,957.12

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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.