Home / 13,961.32-19,267.53-8,659.66

Finding the Fourth Proportional to 13,961.32, 19,267.53 and 8,659.66

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Solution

The fourth proportional to 13,961.32, 19,267.53 and 8,659.66 is: 11,950.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.32 : 19,267.53 = 8,659.66 : x
  2. Step 2: Convert to fraction form
    13,961.32/19,267.53 = 8,659.66/x
  3. Step 3: Cross multiply
    13,961.32x = 19,267.53 × 8,659.66
  4. Step 4: Simplify right side
    13,961.32x = 166,850,258.84
  5. Step 5: Solve for x
    x = 166,850,258.84/13,961.32
  6. Step 6: Final answer
    x = 11,950.89

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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.