Home / 12,943.03-17,824.41-11,655.95

Finding the Fourth Proportional to 12,943.03, 17,824.41 and 11,655.95

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Solution

The fourth proportional to 12,943.03, 17,824.41 and 11,655.95 is: 16,051.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,943.03 : 17,824.41 = 11,655.95 : x
  2. Step 2: Convert to fraction form
    12,943.03/17,824.41 = 11,655.95/x
  3. Step 3: Cross multiply
    12,943.03x = 17,824.41 × 11,655.95
  4. Step 4: Simplify right side
    12,943.03x = 207,760,431.74
  5. Step 5: Solve for x
    x = 207,760,431.74/12,943.03
  6. Step 6: Final answer
    x = 16,051.92

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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.