Home / 18,943.62-28,415.97-5,795.70

Finding the Fourth Proportional to 18,943.62, 28,415.97 and 5,795.70

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Solution

The fourth proportional to 18,943.62, 28,415.97 and 5,795.70 is: 8,693.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,943.62 : 28,415.97 = 5,795.70 : x
  2. Step 2: Convert to fraction form
    18,943.62/28,415.97 = 5,795.70/x
  3. Step 3: Cross multiply
    18,943.62x = 28,415.97 × 5,795.70
  4. Step 4: Simplify right side
    18,943.62x = 164,690,437.33
  5. Step 5: Solve for x
    x = 164,690,437.33/18,943.62
  6. Step 6: Final answer
    x = 8,693.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.