Home / 15,276.72-22,910.20-4,886

Finding the Fourth Proportional to 15,276.72, 22,910.20 and 4,886

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Solution

The fourth proportional to 15,276.72, 22,910.20 and 4,886 is: 7,327.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,276.72 : 22,910.20 = 4,886 : x
  2. Step 2: Convert to fraction form
    15,276.72/22,910.20 = 4,886/x
  3. Step 3: Cross multiply
    15,276.72x = 22,910.20 × 4,886
  4. Step 4: Simplify right side
    15,276.72x = 111,939,237.20
  5. Step 5: Solve for x
    x = 111,939,237.20/15,276.72
  6. Step 6: Final answer
    x = 7,327.44

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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.