Home / 13,961.96-19,249.54-11,434.76

Finding the Fourth Proportional to 13,961.96, 19,249.54 and 11,434.76

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Solution

The fourth proportional to 13,961.96, 19,249.54 and 11,434.76 is: 15,765.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.96 : 19,249.54 = 11,434.76 : x
  2. Step 2: Convert to fraction form
    13,961.96/19,249.54 = 11,434.76/x
  3. Step 3: Cross multiply
    13,961.96x = 19,249.54 × 11,434.76
  4. Step 4: Simplify right side
    13,961.96x = 220,113,870.01
  5. Step 5: Solve for x
    x = 220,113,870.01/13,961.96
  6. Step 6: Final answer
    x = 15,765.26

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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.