Home / 19,186.80-28,784.08-8,093.52

Finding the Fourth Proportional to 19,186.80, 28,784.08 and 8,093.52

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Solution

The fourth proportional to 19,186.80, 28,784.08 and 8,093.52 is: 12,141.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,186.80 : 28,784.08 = 8,093.52 : x
  2. Step 2: Convert to fraction form
    19,186.80/28,784.08 = 8,093.52/x
  3. Step 3: Cross multiply
    19,186.80x = 28,784.08 × 8,093.52
  4. Step 4: Simplify right side
    19,186.80x = 232,964,560.04
  5. Step 5: Solve for x
    x = 232,964,560.04/19,186.80
  6. Step 6: Final answer
    x = 12,141.92

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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.