Home / 18,484.39-27,718.35-5,333.64

Finding the Fourth Proportional to 18,484.39, 27,718.35 and 5,333.64

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Solution

The fourth proportional to 18,484.39, 27,718.35 and 5,333.64 is: 7,998.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,484.39 : 27,718.35 = 5,333.64 : x
  2. Step 2: Convert to fraction form
    18,484.39/27,718.35 = 5,333.64/x
  3. Step 3: Cross multiply
    18,484.39x = 27,718.35 × 5,333.64
  4. Step 4: Simplify right side
    18,484.39x = 147,839,561.70
  5. Step 5: Solve for x
    x = 147,839,561.70/18,484.39
  6. Step 6: Final answer
    x = 7,998.08

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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.