Home / 19,886.67-29,828.44-11,561.38

Finding the Fourth Proportional to 19,886.67, 29,828.44 and 11,561.38

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Solution

The fourth proportional to 19,886.67, 29,828.44 and 11,561.38 is: 17,341.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,886.67 : 29,828.44 = 11,561.38 : x
  2. Step 2: Convert to fraction form
    19,886.67/29,828.44 = 11,561.38/x
  3. Step 3: Cross multiply
    19,886.67x = 29,828.44 × 11,561.38
  4. Step 4: Simplify right side
    19,886.67x = 344,857,826.17
  5. Step 5: Solve for x
    x = 344,857,826.17/19,886.67
  6. Step 6: Final answer
    x = 17,341.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.