Home / 19,135.16-26,408.54-11,179.96

Finding the Fourth Proportional to 19,135.16, 26,408.54 and 11,179.96

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Solution

The fourth proportional to 19,135.16, 26,408.54 and 11,179.96 is: 15,429.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,135.16 : 26,408.54 = 11,179.96 : x
  2. Step 2: Convert to fraction form
    19,135.16/26,408.54 = 11,179.96/x
  3. Step 3: Cross multiply
    19,135.16x = 26,408.54 × 11,179.96
  4. Step 4: Simplify right side
    19,135.16x = 295,246,420.86
  5. Step 5: Solve for x
    x = 295,246,420.86/19,135.16
  6. Step 6: Final answer
    x = 15,429.52

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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.