Home / 18,743.16-25,864.84-10,787.94

Finding the Fourth Proportional to 18,743.16, 25,864.84 and 10,787.94

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Solution

The fourth proportional to 18,743.16, 25,864.84 and 10,787.94 is: 14,886.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,743.16 : 25,864.84 = 10,787.94 : x
  2. Step 2: Convert to fraction form
    18,743.16/25,864.84 = 10,787.94/x
  3. Step 3: Cross multiply
    18,743.16x = 25,864.84 × 10,787.94
  4. Step 4: Simplify right side
    18,743.16x = 279,028,342.03
  5. Step 5: Solve for x
    x = 279,028,342.03/18,743.16
  6. Step 6: Final answer
    x = 14,886.94

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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.