Home / 18,700.13-28,025.80-7,593.82

Finding the Fourth Proportional to 18,700.13, 28,025.80 and 7,593.82

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Solution

The fourth proportional to 18,700.13, 28,025.80 and 7,593.82 is: 11,380.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,700.13 : 28,025.80 = 7,593.82 : x
  2. Step 2: Convert to fraction form
    18,700.13/28,025.80 = 7,593.82/x
  3. Step 3: Cross multiply
    18,700.13x = 28,025.80 × 7,593.82
  4. Step 4: Simplify right side
    18,700.13x = 212,822,791.51
  5. Step 5: Solve for x
    x = 212,822,791.51/18,700.13
  6. Step 6: Final answer
    x = 11,380.82

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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.