Home / 20,056.14-27,681.30-11,563.92

Finding the Fourth Proportional to 20,056.14, 27,681.30 and 11,563.92

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Solution

The fourth proportional to 20,056.14, 27,681.30 and 11,563.92 is: 15,960.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,056.14 : 27,681.30 = 11,563.92 : x
  2. Step 2: Convert to fraction form
    20,056.14/27,681.30 = 11,563.92/x
  3. Step 3: Cross multiply
    20,056.14x = 27,681.30 × 11,563.92
  4. Step 4: Simplify right side
    20,056.14x = 320,104,338.70
  5. Step 5: Solve for x
    x = 320,104,338.70/20,056.14
  6. Step 6: Final answer
    x = 15,960.42

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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.