Home / 22,333.76-33,634.40-20,340.86

Finding the Fourth Proportional to 22,333.76, 33,634.40 and 20,340.86

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Solution

The fourth proportional to 22,333.76, 33,634.40 and 20,340.86 is: 30,633.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,333.76 : 33,634.40 = 20,340.86 : x
  2. Step 2: Convert to fraction form
    22,333.76/33,634.40 = 20,340.86/x
  3. Step 3: Cross multiply
    22,333.76x = 33,634.40 × 20,340.86
  4. Step 4: Simplify right side
    22,333.76x = 684,152,621.58
  5. Step 5: Solve for x
    x = 684,152,621.58/22,333.76
  6. Step 6: Final answer
    x = 30,633.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.