Home / 22,049.55-30,428.26-11,977.91

Finding the Fourth Proportional to 22,049.55, 30,428.26 and 11,977.91

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Solution

The fourth proportional to 22,049.55, 30,428.26 and 11,977.91 is: 16,529.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,049.55 : 30,428.26 = 11,977.91 : x
  2. Step 2: Convert to fraction form
    22,049.55/30,428.26 = 11,977.91/x
  3. Step 3: Cross multiply
    22,049.55x = 30,428.26 × 11,977.91
  4. Step 4: Simplify right side
    22,049.55x = 364,466,891.76
  5. Step 5: Solve for x
    x = 364,466,891.76/22,049.55
  6. Step 6: Final answer
    x = 16,529.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.