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Finding the Fourth Proportional to 18,792.70, 25,933.24 and 10,726.77

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Solution

The fourth proportional to 18,792.70, 25,933.24 and 10,726.77 is: 14,802.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,792.70 : 25,933.24 = 10,726.77 : x
  2. Step 2: Convert to fraction form
    18,792.70/25,933.24 = 10,726.77/x
  3. Step 3: Cross multiply
    18,792.70x = 25,933.24 × 10,726.77
  4. Step 4: Simplify right side
    18,792.70x = 278,179,859.32
  5. Step 5: Solve for x
    x = 278,179,859.32/18,792.70
  6. Step 6: Final answer
    x = 14,802.55

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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.