Home / 19,762.43-27,273.15-11,700.71

Finding the Fourth Proportional to 19,762.43, 27,273.15 and 11,700.71

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Solution

The fourth proportional to 19,762.43, 27,273.15 and 11,700.71 is: 16,147.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,762.43 : 27,273.15 = 11,700.71 : x
  2. Step 2: Convert to fraction form
    19,762.43/27,273.15 = 11,700.71/x
  3. Step 3: Cross multiply
    19,762.43x = 27,273.15 × 11,700.71
  4. Step 4: Simplify right side
    19,762.43x = 319,115,082.57
  5. Step 5: Solve for x
    x = 319,115,082.57/19,762.43
  6. Step 6: Final answer
    x = 16,147.57

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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.