Home / 13,912.75-19,199.60-7,625.13

Finding the Fourth Proportional to 13,912.75, 19,199.60 and 7,625.13

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Solution

The fourth proportional to 13,912.75, 19,199.60 and 7,625.13 is: 10,522.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,912.75 : 19,199.60 = 7,625.13 : x
  2. Step 2: Convert to fraction form
    13,912.75/19,199.60 = 7,625.13/x
  3. Step 3: Cross multiply
    13,912.75x = 19,199.60 × 7,625.13
  4. Step 4: Simplify right side
    13,912.75x = 146,399,445.95
  5. Step 5: Solve for x
    x = 146,399,445.95/13,912.75
  6. Step 6: Final answer
    x = 10,522.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.