Home / 19,194.51-28,769.88-8,784.39

Finding the Fourth Proportional to 19,194.51, 28,769.88 and 8,784.39

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Solution

The fourth proportional to 19,194.51, 28,769.88 and 8,784.39 is: 13,166.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,194.51 : 28,769.88 = 8,784.39 : x
  2. Step 2: Convert to fraction form
    19,194.51/28,769.88 = 8,784.39/x
  3. Step 3: Cross multiply
    19,194.51x = 28,769.88 × 8,784.39
  4. Step 4: Simplify right side
    19,194.51x = 252,725,846.17
  5. Step 5: Solve for x
    x = 252,725,846.17/19,194.51
  6. Step 6: Final answer
    x = 13,166.57

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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.