Home / 19,217.17-28,812.14-8,537.66

Finding the Fourth Proportional to 19,217.17, 28,812.14 and 8,537.66

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Solution

The fourth proportional to 19,217.17, 28,812.14 and 8,537.66 is: 12,800.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,217.17 : 28,812.14 = 8,537.66 : x
  2. Step 2: Convert to fraction form
    19,217.17/28,812.14 = 8,537.66/x
  3. Step 3: Cross multiply
    19,217.17x = 28,812.14 × 8,537.66
  4. Step 4: Simplify right side
    19,217.17x = 245,988,289.54
  5. Step 5: Solve for x
    x = 245,988,289.54/19,217.17
  6. Step 6: Final answer
    x = 12,800.44

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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.