Home / 13,175.64-19,763.31-3,314.70

Finding the Fourth Proportional to 13,175.64, 19,763.31 and 3,314.70

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Solution

The fourth proportional to 13,175.64, 19,763.31 and 3,314.70 is: 4,972.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,175.64 : 19,763.31 = 3,314.70 : x
  2. Step 2: Convert to fraction form
    13,175.64/19,763.31 = 3,314.70/x
  3. Step 3: Cross multiply
    13,175.64x = 19,763.31 × 3,314.70
  4. Step 4: Simplify right side
    13,175.64x = 65,509,443.66
  5. Step 5: Solve for x
    x = 65,509,443.66/13,175.64
  6. Step 6: Final answer
    x = 4,972.01

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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.