Home / 15,913.26-23,870.34-4,226.49

Finding the Fourth Proportional to 15,913.26, 23,870.34 and 4,226.49

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Solution

The fourth proportional to 15,913.26, 23,870.34 and 4,226.49 is: 6,339.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,913.26 : 23,870.34 = 4,226.49 : x
  2. Step 2: Convert to fraction form
    15,913.26/23,870.34 = 4,226.49/x
  3. Step 3: Cross multiply
    15,913.26x = 23,870.34 × 4,226.49
  4. Step 4: Simplify right side
    15,913.26x = 100,887,753.31
  5. Step 5: Solve for x
    x = 100,887,753.31/15,913.26
  6. Step 6: Final answer
    x = 6,339.85

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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.