Home / 18,555.36-27,832.68-4,704

Finding the Fourth Proportional to 18,555.36, 27,832.68 and 4,704

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Solution

The fourth proportional to 18,555.36, 27,832.68 and 4,704 is: 7,055.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,555.36 : 27,832.68 = 4,704 : x
  2. Step 2: Convert to fraction form
    18,555.36/27,832.68 = 4,704/x
  3. Step 3: Cross multiply
    18,555.36x = 27,832.68 × 4,704
  4. Step 4: Simplify right side
    18,555.36x = 130,924,926.72
  5. Step 5: Solve for x
    x = 130,924,926.72/18,555.36
  6. Step 6: Final answer
    x = 7,055.91

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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.