Home / 19,840.86-27,376.11-11,452.50

Finding the Fourth Proportional to 19,840.86, 27,376.11 and 11,452.50

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Solution

The fourth proportional to 19,840.86, 27,376.11 and 11,452.50 is: 15,801.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,840.86 : 27,376.11 = 11,452.50 : x
  2. Step 2: Convert to fraction form
    19,840.86/27,376.11 = 11,452.50/x
  3. Step 3: Cross multiply
    19,840.86x = 27,376.11 × 11,452.50
  4. Step 4: Simplify right side
    19,840.86x = 313,524,899.78
  5. Step 5: Solve for x
    x = 313,524,899.78/19,840.86
  6. Step 6: Final answer
    x = 15,801.98

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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.