Home / 15,926.41-21,974.65-11,957.01

Finding the Fourth Proportional to 15,926.41, 21,974.65 and 11,957.01

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Solution

The fourth proportional to 15,926.41, 21,974.65 and 11,957.01 is: 16,497.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,926.41 : 21,974.65 = 11,957.01 : x
  2. Step 2: Convert to fraction form
    15,926.41/21,974.65 = 11,957.01/x
  3. Step 3: Cross multiply
    15,926.41x = 21,974.65 × 11,957.01
  4. Step 4: Simplify right side
    15,926.41x = 262,751,109.80
  5. Step 5: Solve for x
    x = 262,751,109.80/15,926.41
  6. Step 6: Final answer
    x = 16,497.82

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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.