Home / 22,140.64-33,210.88-5,500.56

Finding the Fourth Proportional to 22,140.64, 33,210.88 and 5,500.56

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Solution

The fourth proportional to 22,140.64, 33,210.88 and 5,500.56 is: 8,250.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,140.64 : 33,210.88 = 5,500.56 : x
  2. Step 2: Convert to fraction form
    22,140.64/33,210.88 = 5,500.56/x
  3. Step 3: Cross multiply
    22,140.64x = 33,210.88 × 5,500.56
  4. Step 4: Simplify right side
    22,140.64x = 182,678,461.35
  5. Step 5: Solve for x
    x = 182,678,461.35/22,140.64
  6. Step 6: Final answer
    x = 8,250.82

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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.