Home / 19,142.12-28,713.62-5,994.89

Finding the Fourth Proportional to 19,142.12, 28,713.62 and 5,994.89

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Solution

The fourth proportional to 19,142.12, 28,713.62 and 5,994.89 is: 8,992.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,142.12 : 28,713.62 = 5,994.89 : x
  2. Step 2: Convert to fraction form
    19,142.12/28,713.62 = 5,994.89/x
  3. Step 3: Cross multiply
    19,142.12x = 28,713.62 × 5,994.89
  4. Step 4: Simplify right side
    19,142.12x = 172,134,993.40
  5. Step 5: Solve for x
    x = 172,134,993.40/19,142.12
  6. Step 6: Final answer
    x = 8,992.47

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Double scale
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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.