Home / 19,815.58-27,354.85-12,266.84

Finding the Fourth Proportional to 19,815.58, 27,354.85 and 12,266.84

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Solution

The fourth proportional to 19,815.58, 27,354.85 and 12,266.84 is: 16,934.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,815.58 : 27,354.85 = 12,266.84 : x
  2. Step 2: Convert to fraction form
    19,815.58/27,354.85 = 12,266.84/x
  3. Step 3: Cross multiply
    19,815.58x = 27,354.85 × 12,266.84
  4. Step 4: Simplify right side
    19,815.58x = 335,557,651.89
  5. Step 5: Solve for x
    x = 335,557,651.89/19,815.58
  6. Step 6: Final answer
    x = 16,934.03

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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.