Home / 13,912.48-19,199.46-7,625.80

Finding the Fourth Proportional to 13,912.48, 19,199.46 and 7,625.80

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Solution

The fourth proportional to 13,912.48, 19,199.46 and 7,625.80 is: 10,523.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,912.48 : 19,199.46 = 7,625.80 : x
  2. Step 2: Convert to fraction form
    13,912.48/19,199.46 = 7,625.80/x
  3. Step 3: Cross multiply
    13,912.48x = 19,199.46 × 7,625.80
  4. Step 4: Simplify right side
    13,912.48x = 146,411,242.07
  5. Step 5: Solve for x
    x = 146,411,242.07/13,912.48
  6. Step 6: Final answer
    x = 10,523.73

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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.