Home / 13,301.48-19,952.60-3,440.75

Finding the Fourth Proportional to 13,301.48, 19,952.60 and 3,440.75

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Solution

The fourth proportional to 13,301.48, 19,952.60 and 3,440.75 is: 5,161.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.48 : 19,952.60 = 3,440.75 : x
  2. Step 2: Convert to fraction form
    13,301.48/19,952.60 = 3,440.75/x
  3. Step 3: Cross multiply
    13,301.48x = 19,952.60 × 3,440.75
  4. Step 4: Simplify right side
    13,301.48x = 68,651,791.48
  5. Step 5: Solve for x
    x = 68,651,791.48/13,301.48
  6. Step 6: Final answer
    x = 5,161.21

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1.5x scale

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.