Home / 28,362.62-42,556.08-11,734.74

Finding the Fourth Proportional to 28,362.62, 42,556.08 and 11,734.74

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Solution

The fourth proportional to 28,362.62, 42,556.08 and 11,734.74 is: 17,607.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,362.62 : 42,556.08 = 11,734.74 : x
  2. Step 2: Convert to fraction form
    28,362.62/42,556.08 = 11,734.74/x
  3. Step 3: Cross multiply
    28,362.62x = 42,556.08 × 11,734.74
  4. Step 4: Simplify right side
    28,362.62x = 499,384,578.22
  5. Step 5: Solve for x
    x = 499,384,578.22/28,362.62
  6. Step 6: Final answer
    x = 17,607.14

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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.