Home / 29,188.20-40,279.62-16,612.20

Finding the Fourth Proportional to 29,188.20, 40,279.62 and 16,612.20

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Solution

The fourth proportional to 29,188.20, 40,279.62 and 16,612.20 is: 22,924.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,188.20 : 40,279.62 = 16,612.20 : x
  2. Step 2: Convert to fraction form
    29,188.20/40,279.62 = 16,612.20/x
  3. Step 3: Cross multiply
    29,188.20x = 40,279.62 × 16,612.20
  4. Step 4: Simplify right side
    29,188.20x = 669,133,103.36
  5. Step 5: Solve for x
    x = 669,133,103.36/29,188.20
  6. Step 6: Final answer
    x = 22,924.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.