Home / 18,787.52-25,934.10-10,836.56

Finding the Fourth Proportional to 18,787.52, 25,934.10 and 10,836.56

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Solution

The fourth proportional to 18,787.52, 25,934.10 and 10,836.56 is: 14,958.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,787.52 : 25,934.10 = 10,836.56 : x
  2. Step 2: Convert to fraction form
    18,787.52/25,934.10 = 10,836.56/x
  3. Step 3: Cross multiply
    18,787.52x = 25,934.10 × 10,836.56
  4. Step 4: Simplify right side
    18,787.52x = 281,036,430.70
  5. Step 5: Solve for x
    x = 281,036,430.70/18,787.52
  6. Step 6: Final answer
    x = 14,958.68

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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.