Home / 19,965.90-27,551.94-12,006.60

Finding the Fourth Proportional to 19,965.90, 27,551.94 and 12,006.60

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Solution

The fourth proportional to 19,965.90, 27,551.94 and 12,006.60 is: 16,568.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,965.90 : 27,551.94 = 12,006.60 : x
  2. Step 2: Convert to fraction form
    19,965.90/27,551.94 = 12,006.60/x
  3. Step 3: Cross multiply
    19,965.90x = 27,551.94 × 12,006.60
  4. Step 4: Simplify right side
    19,965.90x = 330,805,122.80
  5. Step 5: Solve for x
    x = 330,805,122.80/19,965.90
  6. Step 6: Final answer
    x = 16,568.51

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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.