Home / 15,621.93-23,421.96-5,758.56

Finding the Fourth Proportional to 15,621.93, 23,421.96 and 5,758.56

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Solution

The fourth proportional to 15,621.93, 23,421.96 and 5,758.56 is: 8,633.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,621.93 : 23,421.96 = 5,758.56 : x
  2. Step 2: Convert to fraction form
    15,621.93/23,421.96 = 5,758.56/x
  3. Step 3: Cross multiply
    15,621.93x = 23,421.96 × 5,758.56
  4. Step 4: Simplify right side
    15,621.93x = 134,876,761.98
  5. Step 5: Solve for x
    x = 134,876,761.98/15,621.93
  6. Step 6: Final answer
    x = 8,633.81

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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.