Home / 15,112.72-22,666.55-4,019.57

Finding the Fourth Proportional to 15,112.72, 22,666.55 and 4,019.57

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Solution

The fourth proportional to 15,112.72, 22,666.55 and 4,019.57 is: 6,028.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,112.72 : 22,666.55 = 4,019.57 : x
  2. Step 2: Convert to fraction form
    15,112.72/22,666.55 = 4,019.57/x
  3. Step 3: Cross multiply
    15,112.72x = 22,666.55 × 4,019.57
  4. Step 4: Simplify right side
    15,112.72x = 91,109,650.95
  5. Step 5: Solve for x
    x = 91,109,650.95/15,112.72
  6. Step 6: Final answer
    x = 6,028.67

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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.