Home / 15,152.72-22,699.64-8,558.48

Finding the Fourth Proportional to 15,152.72, 22,699.64 and 8,558.48

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Solution

The fourth proportional to 15,152.72, 22,699.64 and 8,558.48 is: 12,821.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,152.72 : 22,699.64 = 8,558.48 : x
  2. Step 2: Convert to fraction form
    15,152.72/22,699.64 = 8,558.48/x
  3. Step 3: Cross multiply
    15,152.72x = 22,699.64 × 8,558.48
  4. Step 4: Simplify right side
    15,152.72x = 194,274,414.95
  5. Step 5: Solve for x
    x = 194,274,414.95/15,152.72
  6. Step 6: Final answer
    x = 12,821.09

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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.