Home / 13,327.74-19,942.26-10,687.17

Finding the Fourth Proportional to 13,327.74, 19,942.26 and 10,687.17

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Solution

The fourth proportional to 13,327.74, 19,942.26 and 10,687.17 is: 15,991.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,327.74 : 19,942.26 = 10,687.17 : x
  2. Step 2: Convert to fraction form
    13,327.74/19,942.26 = 10,687.17/x
  3. Step 3: Cross multiply
    13,327.74x = 19,942.26 × 10,687.17
  4. Step 4: Simplify right side
    13,327.74x = 213,126,322.80
  5. Step 5: Solve for x
    x = 213,126,322.80/13,327.74
  6. Step 6: Final answer
    x = 15,991.18

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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.