Home / 22,101.57-33,158.43-6,519.20

Finding the Fourth Proportional to 22,101.57, 33,158.43 and 6,519.20

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Solution

The fourth proportional to 22,101.57, 33,158.43 and 6,519.20 is: 9,780.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,101.57 : 33,158.43 = 6,519.20 : x
  2. Step 2: Convert to fraction form
    22,101.57/33,158.43 = 6,519.20/x
  3. Step 3: Cross multiply
    22,101.57x = 33,158.43 × 6,519.20
  4. Step 4: Simplify right side
    22,101.57x = 216,166,271.06
  5. Step 5: Solve for x
    x = 216,166,271.06/22,101.57
  6. Step 6: Final answer
    x = 9,780.58

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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.