Home / 13,224.82-19,811.27-7,666.48

Finding the Fourth Proportional to 13,224.82, 19,811.27 and 7,666.48

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Solution

The fourth proportional to 13,224.82, 19,811.27 and 7,666.48 is: 11,484.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,224.82 : 19,811.27 = 7,666.48 : x
  2. Step 2: Convert to fraction form
    13,224.82/19,811.27 = 7,666.48/x
  3. Step 3: Cross multiply
    13,224.82x = 19,811.27 × 7,666.48
  4. Step 4: Simplify right side
    13,224.82x = 151,882,706.04
  5. Step 5: Solve for x
    x = 151,882,706.04/13,224.82
  6. Step 6: Final answer
    x = 11,484.67

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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.