Home / 19,197.71-28,809.54-6,717.84

Finding the Fourth Proportional to 19,197.71, 28,809.54 and 6,717.84

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Solution

The fourth proportional to 19,197.71, 28,809.54 and 6,717.84 is: 10,081.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,197.71 : 28,809.54 = 6,717.84 : x
  2. Step 2: Convert to fraction form
    19,197.71/28,809.54 = 6,717.84/x
  3. Step 3: Cross multiply
    19,197.71x = 28,809.54 × 6,717.84
  4. Step 4: Simplify right side
    19,197.71x = 193,537,940.30
  5. Step 5: Solve for x
    x = 193,537,940.30/19,197.71
  6. Step 6: Final answer
    x = 10,081.30

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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.