Home / 13,132.56-19,701.24-3,772.32

Finding the Fourth Proportional to 13,132.56, 19,701.24 and 3,772.32

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Solution

The fourth proportional to 13,132.56, 19,701.24 and 3,772.32 is: 5,659.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,132.56 : 19,701.24 = 3,772.32 : x
  2. Step 2: Convert to fraction form
    13,132.56/19,701.24 = 3,772.32/x
  3. Step 3: Cross multiply
    13,132.56x = 19,701.24 × 3,772.32
  4. Step 4: Simplify right side
    13,132.56x = 74,319,381.68
  5. Step 5: Solve for x
    x = 74,319,381.68/13,132.56
  6. Step 6: Final answer
    x = 5,659.17

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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.