Home / 15,125.45-22,668.46-7,723.67

Finding the Fourth Proportional to 15,125.45, 22,668.46 and 7,723.67

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Solution

The fourth proportional to 15,125.45, 22,668.46 and 7,723.67 is: 11,575.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,125.45 : 22,668.46 = 7,723.67 : x
  2. Step 2: Convert to fraction form
    15,125.45/22,668.46 = 7,723.67/x
  3. Step 3: Cross multiply
    15,125.45x = 22,668.46 × 7,723.67
  4. Step 4: Simplify right side
    15,125.45x = 175,083,704.45
  5. Step 5: Solve for x
    x = 175,083,704.45/15,125.45
  6. Step 6: Final answer
    x = 11,575.44

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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.