Home / 26,172.46-39,262.59-12,133.91

Finding the Fourth Proportional to 26,172.46, 39,262.59 and 12,133.91

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Solution

The fourth proportional to 26,172.46, 39,262.59 and 12,133.91 is: 18,202.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,172.46 : 39,262.59 = 12,133.91 : x
  2. Step 2: Convert to fraction form
    26,172.46/39,262.59 = 12,133.91/x
  3. Step 3: Cross multiply
    26,172.46x = 39,262.59 × 12,133.91
  4. Step 4: Simplify right side
    26,172.46x = 476,408,733.43
  5. Step 5: Solve for x
    x = 476,408,733.43/26,172.46
  6. Step 6: Final answer
    x = 18,202.67

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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.