Home / 13,241.72-19,856.10-7,396.76

Finding the Fourth Proportional to 13,241.72, 19,856.10 and 7,396.76

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Solution

The fourth proportional to 13,241.72, 19,856.10 and 7,396.76 is: 11,091.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241.72 : 19,856.10 = 7,396.76 : x
  2. Step 2: Convert to fraction form
    13,241.72/19,856.10 = 7,396.76/x
  3. Step 3: Cross multiply
    13,241.72x = 19,856.10 × 7,396.76
  4. Step 4: Simplify right side
    13,241.72x = 146,870,806.24
  5. Step 5: Solve for x
    x = 146,870,806.24/13,241.72
  6. Step 6: Final answer
    x = 11,091.52

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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.