Home / 13,598.74-20,398.10-3,738.06

Finding the Fourth Proportional to 13,598.74, 20,398.10 and 3,738.06

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Solution

The fourth proportional to 13,598.74, 20,398.10 and 3,738.06 is: 5,607.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,598.74 : 20,398.10 = 3,738.06 : x
  2. Step 2: Convert to fraction form
    13,598.74/20,398.10 = 3,738.06/x
  3. Step 3: Cross multiply
    13,598.74x = 20,398.10 × 3,738.06
  4. Step 4: Simplify right side
    13,598.74x = 76,249,321.69
  5. Step 5: Solve for x
    x = 76,249,321.69/13,598.74
  6. Step 6: Final answer
    x = 5,607.09

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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.