Home / 16,255.08-22,432.44-9,181.56

Finding the Fourth Proportional to 16,255.08, 22,432.44 and 9,181.56

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Solution

The fourth proportional to 16,255.08, 22,432.44 and 9,181.56 is: 12,670.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,255.08 : 22,432.44 = 9,181.56 : x
  2. Step 2: Convert to fraction form
    16,255.08/22,432.44 = 9,181.56/x
  3. Step 3: Cross multiply
    16,255.08x = 22,432.44 × 9,181.56
  4. Step 4: Simplify right side
    16,255.08x = 205,964,793.81
  5. Step 5: Solve for x
    x = 205,964,793.81/16,255.08
  6. Step 6: Final answer
    x = 12,670.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.