Home / 19,333.11-28,992.55-6,679.64

Finding the Fourth Proportional to 19,333.11, 28,992.55 and 6,679.64

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Solution

The fourth proportional to 19,333.11, 28,992.55 and 6,679.64 is: 10,017.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,333.11 : 28,992.55 = 6,679.64 : x
  2. Step 2: Convert to fraction form
    19,333.11/28,992.55 = 6,679.64/x
  3. Step 3: Cross multiply
    19,333.11x = 28,992.55 × 6,679.64
  4. Step 4: Simplify right side
    19,333.11x = 193,659,852.46
  5. Step 5: Solve for x
    x = 193,659,852.46/19,333.11
  6. Step 6: Final answer
    x = 10,017.00

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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.