Home / 21,196.56-29,250.84-11,764.92

Finding the Fourth Proportional to 21,196.56, 29,250.84 and 11,764.92

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Solution

The fourth proportional to 21,196.56, 29,250.84 and 11,764.92 is: 16,235.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,196.56 : 29,250.84 = 11,764.92 : x
  2. Step 2: Convert to fraction form
    21,196.56/29,250.84 = 11,764.92/x
  3. Step 3: Cross multiply
    21,196.56x = 29,250.84 × 11,764.92
  4. Step 4: Simplify right side
    21,196.56x = 344,133,792.53
  5. Step 5: Solve for x
    x = 344,133,792.53/21,196.56
  6. Step 6: Final answer
    x = 16,235.36

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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.