Home / 19,593.81-27,047.21-13,628.94

Finding the Fourth Proportional to 19,593.81, 27,047.21 and 13,628.94

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Solution

The fourth proportional to 19,593.81, 27,047.21 and 13,628.94 is: 18,813.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,593.81 : 27,047.21 = 13,628.94 : x
  2. Step 2: Convert to fraction form
    19,593.81/27,047.21 = 13,628.94/x
  3. Step 3: Cross multiply
    19,593.81x = 27,047.21 × 13,628.94
  4. Step 4: Simplify right side
    19,593.81x = 368,624,794.85
  5. Step 5: Solve for x
    x = 368,624,794.85/19,593.81
  6. Step 6: Final answer
    x = 18,813.33

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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.