Home / 18,927.20-28,396.34-5,600.53

Finding the Fourth Proportional to 18,927.20, 28,396.34 and 5,600.53

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Solution

The fourth proportional to 18,927.20, 28,396.34 and 5,600.53 is: 8,402.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,927.20 : 28,396.34 = 5,600.53 : x
  2. Step 2: Convert to fraction form
    18,927.20/28,396.34 = 5,600.53/x
  3. Step 3: Cross multiply
    18,927.20x = 28,396.34 × 5,600.53
  4. Step 4: Simplify right side
    18,927.20x = 159,034,455.07
  5. Step 5: Solve for x
    x = 159,034,455.07/18,927.20
  6. Step 6: Final answer
    x = 8,402.43

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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.