Home / 19,960.43-27,551.14-13,993.56

Finding the Fourth Proportional to 19,960.43, 27,551.14 and 13,993.56

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Solution

The fourth proportional to 19,960.43, 27,551.14 and 13,993.56 is: 19,315.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960.43 : 27,551.14 = 13,993.56 : x
  2. Step 2: Convert to fraction form
    19,960.43/27,551.14 = 13,993.56/x
  3. Step 3: Cross multiply
    19,960.43x = 27,551.14 × 13,993.56
  4. Step 4: Simplify right side
    19,960.43x = 385,538,495.67
  5. Step 5: Solve for x
    x = 385,538,495.67/19,960.43
  6. Step 6: Final answer
    x = 19,315.14

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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.