Home / 15,135.60-22,676.02-8,464.11

Finding the Fourth Proportional to 15,135.60, 22,676.02 and 8,464.11

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Solution

The fourth proportional to 15,135.60, 22,676.02 and 8,464.11 is: 12,680.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,135.60 : 22,676.02 = 8,464.11 : x
  2. Step 2: Convert to fraction form
    15,135.60/22,676.02 = 8,464.11/x
  3. Step 3: Cross multiply
    15,135.60x = 22,676.02 × 8,464.11
  4. Step 4: Simplify right side
    15,135.60x = 191,932,327.64
  5. Step 5: Solve for x
    x = 191,932,327.64/15,135.60
  6. Step 6: Final answer
    x = 12,680.85

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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.