Home / 13,812.24-19,060.80-7,524.60

Finding the Fourth Proportional to 13,812.24, 19,060.80 and 7,524.60

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Solution

The fourth proportional to 13,812.24, 19,060.80 and 7,524.60 is: 10,383.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,812.24 : 19,060.80 = 7,524.60 : x
  2. Step 2: Convert to fraction form
    13,812.24/19,060.80 = 7,524.60/x
  3. Step 3: Cross multiply
    13,812.24x = 19,060.80 × 7,524.60
  4. Step 4: Simplify right side
    13,812.24x = 143,424,895.68
  5. Step 5: Solve for x
    x = 143,424,895.68/13,812.24
  6. Step 6: Final answer
    x = 10,383.90

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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.