Home / 19,578.66-27,006.27-11,615.25

Finding the Fourth Proportional to 19,578.66, 27,006.27 and 11,615.25

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Solution

The fourth proportional to 19,578.66, 27,006.27 and 11,615.25 is: 16,021.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,578.66 : 27,006.27 = 11,615.25 : x
  2. Step 2: Convert to fraction form
    19,578.66/27,006.27 = 11,615.25/x
  3. Step 3: Cross multiply
    19,578.66x = 27,006.27 × 11,615.25
  4. Step 4: Simplify right side
    19,578.66x = 313,684,534.06
  5. Step 5: Solve for x
    x = 313,684,534.06/19,578.66
  6. Step 6: Final answer
    x = 16,021.75

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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.