Home / 19,693.86-27,176.85-11,731.95

Finding the Fourth Proportional to 19,693.86, 27,176.85 and 11,731.95

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Solution

The fourth proportional to 19,693.86, 27,176.85 and 11,731.95 is: 16,189.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,693.86 : 27,176.85 = 11,731.95 : x
  2. Step 2: Convert to fraction form
    19,693.86/27,176.85 = 11,731.95/x
  3. Step 3: Cross multiply
    19,693.86x = 27,176.85 × 11,731.95
  4. Step 4: Simplify right side
    19,693.86x = 318,837,445.36
  5. Step 5: Solve for x
    x = 318,837,445.36/19,693.86
  6. Step 6: Final answer
    x = 16,189.69

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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.