Home / 22,475.68-33,704.75-8,428.05

Finding the Fourth Proportional to 22,475.68, 33,704.75 and 8,428.05

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Solution

The fourth proportional to 22,475.68, 33,704.75 and 8,428.05 is: 12,638.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,475.68 : 33,704.75 = 8,428.05 : x
  2. Step 2: Convert to fraction form
    22,475.68/33,704.75 = 8,428.05/x
  3. Step 3: Cross multiply
    22,475.68x = 33,704.75 × 8,428.05
  4. Step 4: Simplify right side
    22,475.68x = 284,065,276.11
  5. Step 5: Solve for x
    x = 284,065,276.11/22,475.68
  6. Step 6: Final answer
    x = 12,638.79

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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.