Home / 27,312.42-40,934.61-11,711.82

Finding the Fourth Proportional to 27,312.42, 40,934.61 and 11,711.82

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Solution

The fourth proportional to 27,312.42, 40,934.61 and 11,711.82 is: 17,553.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,312.42 : 40,934.61 = 11,711.82 : x
  2. Step 2: Convert to fraction form
    27,312.42/40,934.61 = 11,711.82/x
  3. Step 3: Cross multiply
    27,312.42x = 40,934.61 × 11,711.82
  4. Step 4: Simplify right side
    27,312.42x = 479,418,784.09
  5. Step 5: Solve for x
    x = 479,418,784.09/27,312.42
  6. Step 6: Final answer
    x = 17,553.14

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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.