Home / 15,139.62-22,709.70-7,346.52

Finding the Fourth Proportional to 15,139.62, 22,709.70 and 7,346.52

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Solution

The fourth proportional to 15,139.62, 22,709.70 and 7,346.52 is: 11,019.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,139.62 : 22,709.70 = 7,346.52 : x
  2. Step 2: Convert to fraction form
    15,139.62/22,709.70 = 7,346.52/x
  3. Step 3: Cross multiply
    15,139.62x = 22,709.70 × 7,346.52
  4. Step 4: Simplify right side
    15,139.62x = 166,837,265.24
  5. Step 5: Solve for x
    x = 166,837,265.24/15,139.62
  6. Step 6: Final answer
    x = 11,019.91

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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.