Home / 17,628.50-26,428.74-8,737.58

Finding the Fourth Proportional to 17,628.50, 26,428.74 and 8,737.58

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Solution

The fourth proportional to 17,628.50, 26,428.74 and 8,737.58 is: 13,099.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,628.50 : 26,428.74 = 8,737.58 : x
  2. Step 2: Convert to fraction form
    17,628.50/26,428.74 = 8,737.58/x
  3. Step 3: Cross multiply
    17,628.50x = 26,428.74 × 8,737.58
  4. Step 4: Simplify right side
    17,628.50x = 230,923,230.05
  5. Step 5: Solve for x
    x = 230,923,230.05/17,628.50
  6. Step 6: Final answer
    x = 13,099.43

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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.