Home / 14,490.92-21,728.22-4,627.88

Finding the Fourth Proportional to 14,490.92, 21,728.22 and 4,627.88

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Solution

The fourth proportional to 14,490.92, 21,728.22 and 4,627.88 is: 6,939.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,490.92 : 21,728.22 = 4,627.88 : x
  2. Step 2: Convert to fraction form
    14,490.92/21,728.22 = 4,627.88/x
  3. Step 3: Cross multiply
    14,490.92x = 21,728.22 × 4,627.88
  4. Step 4: Simplify right side
    14,490.92x = 100,555,594.77
  5. Step 5: Solve for x
    x = 100,555,594.77/14,490.92
  6. Step 6: Final answer
    x = 6,939.21

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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.