Home / 22,143.10-33,191.58-9,659.77

Finding the Fourth Proportional to 22,143.10, 33,191.58 and 9,659.77

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Solution

The fourth proportional to 22,143.10, 33,191.58 and 9,659.77 is: 14,479.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143.10 : 33,191.58 = 9,659.77 : x
  2. Step 2: Convert to fraction form
    22,143.10/33,191.58 = 9,659.77/x
  3. Step 3: Cross multiply
    22,143.10x = 33,191.58 × 9,659.77
  4. Step 4: Simplify right side
    22,143.10x = 320,623,028.74
  5. Step 5: Solve for x
    x = 320,623,028.74/22,143.10
  6. Step 6: Final answer
    x = 14,479.59

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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.