Home / 18,414.12-27,612.62-5,931.80

Finding the Fourth Proportional to 18,414.12, 27,612.62 and 5,931.80

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Solution

The fourth proportional to 18,414.12, 27,612.62 and 5,931.80 is: 8,894.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,414.12 : 27,612.62 = 5,931.80 : x
  2. Step 2: Convert to fraction form
    18,414.12/27,612.62 = 5,931.80/x
  3. Step 3: Cross multiply
    18,414.12x = 27,612.62 × 5,931.80
  4. Step 4: Simplify right side
    18,414.12x = 163,792,539.32
  5. Step 5: Solve for x
    x = 163,792,539.32/18,414.12
  6. Step 6: Final answer
    x = 8,894.94

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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.