Home / 22,192.20-33,353.10-21,803.40

Finding the Fourth Proportional to 22,192.20, 33,353.10 and 21,803.40

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Solution

The fourth proportional to 22,192.20, 33,353.10 and 21,803.40 is: 32,768.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,192.20 : 33,353.10 = 21,803.40 : x
  2. Step 2: Convert to fraction form
    22,192.20/33,353.10 = 21,803.40/x
  3. Step 3: Cross multiply
    22,192.20x = 33,353.10 × 21,803.40
  4. Step 4: Simplify right side
    22,192.20x = 727,210,980.54
  5. Step 5: Solve for x
    x = 727,210,980.54/22,192.20
  6. Step 6: Final answer
    x = 32,768.76

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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.