Home / 22,108.34-33,143.61-9,618.77

Finding the Fourth Proportional to 22,108.34, 33,143.61 and 9,618.77

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Solution

The fourth proportional to 22,108.34, 33,143.61 and 9,618.77 is: 14,419.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,108.34 : 33,143.61 = 9,618.77 : x
  2. Step 2: Convert to fraction form
    22,108.34/33,143.61 = 9,618.77/x
  3. Step 3: Cross multiply
    22,108.34x = 33,143.61 × 9,618.77
  4. Step 4: Simplify right side
    22,108.34x = 318,800,761.56
  5. Step 5: Solve for x
    x = 318,800,761.56/22,108.34
  6. Step 6: Final answer
    x = 14,419.93

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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.