Home / 18,484.40-27,722.52-5,333.92

Finding the Fourth Proportional to 18,484.40, 27,722.52 and 5,333.92

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Solution

The fourth proportional to 18,484.40, 27,722.52 and 5,333.92 is: 7,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,484.40 : 27,722.52 = 5,333.92 : x
  2. Step 2: Convert to fraction form
    18,484.40/27,722.52 = 5,333.92/x
  3. Step 3: Cross multiply
    18,484.40x = 27,722.52 × 5,333.92
  4. Step 4: Simplify right side
    18,484.40x = 147,869,703.88
  5. Step 5: Solve for x
    x = 147,869,703.88/18,484.40
  6. Step 6: Final answer
    x = 7,999.70

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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.