Home / 20,252.73-27,916.94-13,868.28

Finding the Fourth Proportional to 20,252.73, 27,916.94 and 13,868.28

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Solution

The fourth proportional to 20,252.73, 27,916.94 and 13,868.28 is: 19,116.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,252.73 : 27,916.94 = 13,868.28 : x
  2. Step 2: Convert to fraction form
    20,252.73/27,916.94 = 13,868.28/x
  3. Step 3: Cross multiply
    20,252.73x = 27,916.94 × 13,868.28
  4. Step 4: Simplify right side
    20,252.73x = 387,159,871.32
  5. Step 5: Solve for x
    x = 387,159,871.32/20,252.73
  6. Step 6: Final answer
    x = 19,116.43

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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.