Home / 22,285.14-30,753.86-12,214.55

Finding the Fourth Proportional to 22,285.14, 30,753.86 and 12,214.55

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Solution

The fourth proportional to 22,285.14, 30,753.86 and 12,214.55 is: 16,856.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,285.14 : 30,753.86 = 12,214.55 : x
  2. Step 2: Convert to fraction form
    22,285.14/30,753.86 = 12,214.55/x
  3. Step 3: Cross multiply
    22,285.14x = 30,753.86 × 12,214.55
  4. Step 4: Simplify right side
    22,285.14x = 375,644,345.82
  5. Step 5: Solve for x
    x = 375,644,345.82/22,285.14
  6. Step 6: Final answer
    x = 16,856.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.