Home / 22,905.96-34,358.68-12,911.46

Finding the Fourth Proportional to 22,905.96, 34,358.68 and 12,911.46

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Solution

The fourth proportional to 22,905.96, 34,358.68 and 12,911.46 is: 19,367.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,905.96 : 34,358.68 = 12,911.46 : x
  2. Step 2: Convert to fraction form
    22,905.96/34,358.68 = 12,911.46/x
  3. Step 3: Cross multiply
    22,905.96x = 34,358.68 × 12,911.46
  4. Step 4: Simplify right side
    22,905.96x = 443,620,722.47
  5. Step 5: Solve for x
    x = 443,620,722.47/22,905.96
  6. Step 6: Final answer
    x = 19,367.04

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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.