Home / 18,359.14-25,335.27-9,975.70

Finding the Fourth Proportional to 18,359.14, 25,335.27 and 9,975.70

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Solution

The fourth proportional to 18,359.14, 25,335.27 and 9,975.70 is: 13,766.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,359.14 : 25,335.27 = 9,975.70 : x
  2. Step 2: Convert to fraction form
    18,359.14/25,335.27 = 9,975.70/x
  3. Step 3: Cross multiply
    18,359.14x = 25,335.27 × 9,975.70
  4. Step 4: Simplify right side
    18,359.14x = 252,737,052.94
  5. Step 5: Solve for x
    x = 252,737,052.94/18,359.14
  6. Step 6: Final answer
    x = 13,766.28

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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.