Home / 28,584.18-42,802.83-18,694.62

Finding the Fourth Proportional to 28,584.18, 42,802.83 and 18,694.62

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Solution

The fourth proportional to 28,584.18, 42,802.83 and 18,694.62 is: 27,993.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,584.18 : 42,802.83 = 18,694.62 : x
  2. Step 2: Convert to fraction form
    28,584.18/42,802.83 = 18,694.62/x
  3. Step 3: Cross multiply
    28,584.18x = 42,802.83 × 18,694.62
  4. Step 4: Simplify right side
    28,584.18x = 800,182,641.77
  5. Step 5: Solve for x
    x = 800,182,641.77/28,584.18
  6. Step 6: Final answer
    x = 27,993.90

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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.