Home / 19,293.77-28,920.93-13,054.44

Finding the Fourth Proportional to 19,293.77, 28,920.93 and 13,054.44

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Solution

The fourth proportional to 19,293.77, 28,920.93 and 13,054.44 is: 19,568.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,293.77 : 28,920.93 = 13,054.44 : x
  2. Step 2: Convert to fraction form
    19,293.77/28,920.93 = 13,054.44/x
  3. Step 3: Cross multiply
    19,293.77x = 28,920.93 × 13,054.44
  4. Step 4: Simplify right side
    19,293.77x = 377,546,545.43
  5. Step 5: Solve for x
    x = 377,546,545.43/19,293.77
  6. Step 6: Final answer
    x = 19,568.31

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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.