Home / 19,098.39-28,647.48-10,388.66

Finding the Fourth Proportional to 19,098.39, 28,647.48 and 10,388.66

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Solution

The fourth proportional to 19,098.39, 28,647.48 and 10,388.66 is: 15,582.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,098.39 : 28,647.48 = 10,388.66 : x
  2. Step 2: Convert to fraction form
    19,098.39/28,647.48 = 10,388.66/x
  3. Step 3: Cross multiply
    19,098.39x = 28,647.48 × 10,388.66
  4. Step 4: Simplify right side
    19,098.39x = 297,608,929.58
  5. Step 5: Solve for x
    x = 297,608,929.58/19,098.39
  6. Step 6: Final answer
    x = 15,582.93

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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.