Home / 18,449.64-27,680.00-8,594.78

Finding the Fourth Proportional to 18,449.64, 27,680.00 and 8,594.78

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Solution

The fourth proportional to 18,449.64, 27,680.00 and 8,594.78 is: 12,894.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,449.64 : 27,680.00 = 8,594.78 : x
  2. Step 2: Convert to fraction form
    18,449.64/27,680.00 = 8,594.78/x
  3. Step 3: Cross multiply
    18,449.64x = 27,680.00 × 8,594.78
  4. Step 4: Simplify right side
    18,449.64x = 237,903,329.03
  5. Step 5: Solve for x
    x = 237,903,329.03/18,449.64
  6. Step 6: Final answer
    x = 12,894.74

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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.