Home / 19,822.12-27,354.30-11,438.44

Finding the Fourth Proportional to 19,822.12, 27,354.30 and 11,438.44

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Solution

The fourth proportional to 19,822.12, 27,354.30 and 11,438.44 is: 15,784.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,822.12 : 27,354.30 = 11,438.44 : x
  2. Step 2: Convert to fraction form
    19,822.12/27,354.30 = 11,438.44/x
  3. Step 3: Cross multiply
    19,822.12x = 27,354.30 × 11,438.44
  4. Step 4: Simplify right side
    19,822.12x = 312,890,519.29
  5. Step 5: Solve for x
    x = 312,890,519.29/19,822.12
  6. Step 6: Final answer
    x = 15,784.92

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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.