Home / 19,617.75-27,072.77-10,665.26

Finding the Fourth Proportional to 19,617.75, 27,072.77 and 10,665.26

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Solution

The fourth proportional to 19,617.75, 27,072.77 and 10,665.26 is: 14,718.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,617.75 : 27,072.77 = 10,665.26 : x
  2. Step 2: Convert to fraction form
    19,617.75/27,072.77 = 10,665.26/x
  3. Step 3: Cross multiply
    19,617.75x = 27,072.77 × 10,665.26
  4. Step 4: Simplify right side
    19,617.75x = 288,737,942.28
  5. Step 5: Solve for x
    x = 288,737,942.28/19,617.75
  6. Step 6: Final answer
    x = 14,718.20

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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.