Home / 13,103.32-19,655.71-3,742.62

Finding the Fourth Proportional to 13,103.32, 19,655.71 and 3,742.62

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Solution

The fourth proportional to 13,103.32, 19,655.71 and 3,742.62 is: 5,614.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,103.32 : 19,655.71 = 3,742.62 : x
  2. Step 2: Convert to fraction form
    13,103.32/19,655.71 = 3,742.62/x
  3. Step 3: Cross multiply
    13,103.32x = 19,655.71 × 3,742.62
  4. Step 4: Simplify right side
    13,103.32x = 73,563,853.36
  5. Step 5: Solve for x
    x = 73,563,853.36/13,103.32
  6. Step 6: Final answer
    x = 5,614.14

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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.