Home / 19,134.56-26,408.76-11,181.44

Finding the Fourth Proportional to 19,134.56, 26,408.76 and 11,181.44

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Solution

The fourth proportional to 19,134.56, 26,408.76 and 11,181.44 is: 15,432.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,134.56 : 26,408.76 = 11,181.44 : x
  2. Step 2: Convert to fraction form
    19,134.56/26,408.76 = 11,181.44/x
  3. Step 3: Cross multiply
    19,134.56x = 26,408.76 × 11,181.44
  4. Step 4: Simplify right side
    19,134.56x = 295,287,965.41
  5. Step 5: Solve for x
    x = 295,287,965.41/19,134.56
  6. Step 6: Final answer
    x = 15,432.18

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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.