Home / 19,617.27-27,072.06-10,664.57

Finding the Fourth Proportional to 19,617.27, 27,072.06 and 10,664.57

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Solution

The fourth proportional to 19,617.27, 27,072.06 and 10,664.57 is: 14,717.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,617.27 : 27,072.06 = 10,664.57 : x
  2. Step 2: Convert to fraction form
    19,617.27/27,072.06 = 10,664.57/x
  3. Step 3: Cross multiply
    19,617.27x = 27,072.06 × 10,664.57
  4. Step 4: Simplify right side
    19,617.27x = 288,711,906.60
  5. Step 5: Solve for x
    x = 288,711,906.60/19,617.27
  6. Step 6: Final answer
    x = 14,717.23

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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.