Home / 22,228.54-30,673.94-12,800.14

Finding the Fourth Proportional to 22,228.54, 30,673.94 and 12,800.14

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Solution

The fourth proportional to 22,228.54, 30,673.94 and 12,800.14 is: 17,663.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,228.54 : 30,673.94 = 12,800.14 : x
  2. Step 2: Convert to fraction form
    22,228.54/30,673.94 = 12,800.14/x
  3. Step 3: Cross multiply
    22,228.54x = 30,673.94 × 12,800.14
  4. Step 4: Simplify right side
    22,228.54x = 392,630,726.35
  5. Step 5: Solve for x
    x = 392,630,726.35/22,228.54
  6. Step 6: Final answer
    x = 17,663.36

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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.