Home / 13,502.74-20,252.66-3,643.02

Finding the Fourth Proportional to 13,502.74, 20,252.66 and 3,643.02

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Solution

The fourth proportional to 13,502.74, 20,252.66 and 3,643.02 is: 5,464.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,502.74 : 20,252.66 = 3,643.02 : x
  2. Step 2: Convert to fraction form
    13,502.74/20,252.66 = 3,643.02/x
  3. Step 3: Cross multiply
    13,502.74x = 20,252.66 × 3,643.02
  4. Step 4: Simplify right side
    13,502.74x = 73,780,845.43
  5. Step 5: Solve for x
    x = 73,780,845.43/13,502.74
  6. Step 6: Final answer
    x = 5,464.14

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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.