Home / 12,196.68-18,302.28-11,205.24

Finding the Fourth Proportional to 12,196.68, 18,302.28 and 11,205.24

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Solution

The fourth proportional to 12,196.68, 18,302.28 and 11,205.24 is: 16,814.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,196.68 : 18,302.28 = 11,205.24 : x
  2. Step 2: Convert to fraction form
    12,196.68/18,302.28 = 11,205.24/x
  3. Step 3: Cross multiply
    12,196.68x = 18,302.28 × 11,205.24
  4. Step 4: Simplify right side
    12,196.68x = 205,081,439.95
  5. Step 5: Solve for x
    x = 205,081,439.95/12,196.68
  6. Step 6: Final answer
    x = 16,814.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.