Home / 18,744.96-25,868.08-10,787.02

Finding the Fourth Proportional to 18,744.96, 25,868.08 and 10,787.02

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Solution

The fourth proportional to 18,744.96, 25,868.08 and 10,787.02 is: 14,886.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,744.96 : 25,868.08 = 10,787.02 : x
  2. Step 2: Convert to fraction form
    18,744.96/25,868.08 = 10,787.02/x
  3. Step 3: Cross multiply
    18,744.96x = 25,868.08 × 10,787.02
  4. Step 4: Simplify right side
    18,744.96x = 279,039,496.32
  5. Step 5: Solve for x
    x = 279,039,496.32/18,744.96
  6. Step 6: Final answer
    x = 14,886.11

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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.