Home / 13,297.05-19,949.49-3,937.32

Finding the Fourth Proportional to 13,297.05, 19,949.49 and 3,937.32

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Solution

The fourth proportional to 13,297.05, 19,949.49 and 3,937.32 is: 5,907.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,297.05 : 19,949.49 = 3,937.32 : x
  2. Step 2: Convert to fraction form
    13,297.05/19,949.49 = 3,937.32/x
  3. Step 3: Cross multiply
    13,297.05x = 19,949.49 × 3,937.32
  4. Step 4: Simplify right side
    13,297.05x = 78,547,506.28
  5. Step 5: Solve for x
    x = 78,547,506.28/13,297.05
  6. Step 6: Final answer
    x = 5,907.14

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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.