Home / 21,194.68-29,246.50-12,245.04

Finding the Fourth Proportional to 21,194.68, 29,246.50 and 12,245.04

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Solution

The fourth proportional to 21,194.68, 29,246.50 and 12,245.04 is: 16,896.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,194.68 : 29,246.50 = 12,245.04 : x
  2. Step 2: Convert to fraction form
    21,194.68/29,246.50 = 12,245.04/x
  3. Step 3: Cross multiply
    21,194.68x = 29,246.50 × 12,245.04
  4. Step 4: Simplify right side
    21,194.68x = 358,124,562.36
  5. Step 5: Solve for x
    x = 358,124,562.36/21,194.68
  6. Step 6: Final answer
    x = 16,896.91

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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.