Home / 19,922.12-27,492.60-11,964.47

Finding the Fourth Proportional to 19,922.12, 27,492.60 and 11,964.47

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Solution

The fourth proportional to 19,922.12, 27,492.60 and 11,964.47 is: 16,511.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,922.12 : 27,492.60 = 11,964.47 : x
  2. Step 2: Convert to fraction form
    19,922.12/27,492.60 = 11,964.47/x
  3. Step 3: Cross multiply
    19,922.12x = 27,492.60 × 11,964.47
  4. Step 4: Simplify right side
    19,922.12x = 328,934,456.65
  5. Step 5: Solve for x
    x = 328,934,456.65/19,922.12
  6. Step 6: Final answer
    x = 16,511.02

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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.