Home / 18,416.80-27,621.32-5,937.92

Finding the Fourth Proportional to 18,416.80, 27,621.32 and 5,937.92

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Solution

The fourth proportional to 18,416.80, 27,621.32 and 5,937.92 is: 8,905.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,416.80 : 27,621.32 = 5,937.92 : x
  2. Step 2: Convert to fraction form
    18,416.80/27,621.32 = 5,937.92/x
  3. Step 3: Cross multiply
    18,416.80x = 27,621.32 × 5,937.92
  4. Step 4: Simplify right side
    18,416.80x = 164,013,188.45
  5. Step 5: Solve for x
    x = 164,013,188.45/18,416.80
  6. Step 6: Final answer
    x = 8,905.63

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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.