Home / 13,722.23-20,578.48-5,926.79

Finding the Fourth Proportional to 13,722.23, 20,578.48 and 5,926.79

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Solution

The fourth proportional to 13,722.23, 20,578.48 and 5,926.79 is: 8,888.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,722.23 : 20,578.48 = 5,926.79 : x
  2. Step 2: Convert to fraction form
    13,722.23/20,578.48 = 5,926.79/x
  3. Step 3: Cross multiply
    13,722.23x = 20,578.48 × 5,926.79
  4. Step 4: Simplify right side
    13,722.23x = 121,964,366.11
  5. Step 5: Solve for x
    x = 121,964,366.11/13,722.23
  6. Step 6: Final answer
    x = 8,888.08

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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.