Home / 18,674.29-25,768.38-10,716.31

Finding the Fourth Proportional to 18,674.29, 25,768.38 and 10,716.31

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Solution

The fourth proportional to 18,674.29, 25,768.38 and 10,716.31 is: 14,787.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,674.29 : 25,768.38 = 10,716.31 : x
  2. Step 2: Convert to fraction form
    18,674.29/25,768.38 = 10,716.31/x
  3. Step 3: Cross multiply
    18,674.29x = 25,768.38 × 10,716.31
  4. Step 4: Simplify right side
    18,674.29x = 276,141,948.28
  5. Step 5: Solve for x
    x = 276,141,948.28/18,674.29
  6. Step 6: Final answer
    x = 14,787.28

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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.