Home / 13,297.16-19,949.15-4,977.29

Finding the Fourth Proportional to 13,297.16, 19,949.15 and 4,977.29

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Solution

The fourth proportional to 13,297.16, 19,949.15 and 4,977.29 is: 7,467.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,297.16 : 19,949.15 = 4,977.29 : x
  2. Step 2: Convert to fraction form
    13,297.16/19,949.15 = 4,977.29/x
  3. Step 3: Cross multiply
    13,297.16x = 19,949.15 × 4,977.29
  4. Step 4: Simplify right side
    13,297.16x = 99,292,767.12
  5. Step 5: Solve for x
    x = 99,292,767.12/13,297.16
  6. Step 6: Final answer
    x = 7,467.22

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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.