Home / 19,142.11-28,711.95-5,994.19

Finding the Fourth Proportional to 19,142.11, 28,711.95 and 5,994.19

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Solution

The fourth proportional to 19,142.11, 28,711.95 and 5,994.19 is: 8,990.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,142.11 : 28,711.95 = 5,994.19 : x
  2. Step 2: Convert to fraction form
    19,142.11/28,711.95 = 5,994.19/x
  3. Step 3: Cross multiply
    19,142.11x = 28,711.95 × 5,994.19
  4. Step 4: Simplify right side
    19,142.11x = 172,104,883.57
  5. Step 5: Solve for x
    x = 172,104,883.57/19,142.11
  6. Step 6: Final answer
    x = 8,990.90

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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.