Home / 13,873.88-19,146.42-7,586.66

Finding the Fourth Proportional to 13,873.88, 19,146.42 and 7,586.66

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Solution

The fourth proportional to 13,873.88, 19,146.42 and 7,586.66 is: 10,469.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,873.88 : 19,146.42 = 7,586.66 : x
  2. Step 2: Convert to fraction form
    13,873.88/19,146.42 = 7,586.66/x
  3. Step 3: Cross multiply
    13,873.88x = 19,146.42 × 7,586.66
  4. Step 4: Simplify right side
    13,873.88x = 145,257,283.03
  5. Step 5: Solve for x
    x = 145,257,283.03/13,873.88
  6. Step 6: Final answer
    x = 10,469.84

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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.