Home / 14,459.96-21,691.31-5,578.36

Finding the Fourth Proportional to 14,459.96, 21,691.31 and 5,578.36

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Solution

The fourth proportional to 14,459.96, 21,691.31 and 5,578.36 is: 8,368.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,459.96 : 21,691.31 = 5,578.36 : x
  2. Step 2: Convert to fraction form
    14,459.96/21,691.31 = 5,578.36/x
  3. Step 3: Cross multiply
    14,459.96x = 21,691.31 × 5,578.36
  4. Step 4: Simplify right side
    14,459.96x = 121,001,853.93
  5. Step 5: Solve for x
    x = 121,001,853.93/14,459.96
  6. Step 6: Final answer
    x = 8,368.06

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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.