Home / 19,618.52-27,079.04-12,066.08

Finding the Fourth Proportional to 19,618.52, 27,079.04 and 12,066.08

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Solution

The fourth proportional to 19,618.52, 27,079.04 and 12,066.08 is: 16,654.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,618.52 : 27,079.04 = 12,066.08 : x
  2. Step 2: Convert to fraction form
    19,618.52/27,079.04 = 12,066.08/x
  3. Step 3: Cross multiply
    19,618.52x = 27,079.04 × 12,066.08
  4. Step 4: Simplify right side
    19,618.52x = 326,737,757.73
  5. Step 5: Solve for x
    x = 326,737,757.73/19,618.52
  6. Step 6: Final answer
    x = 16,654.56

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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.