Home / 19,933.47-29,896.11-6,778.71

Finding the Fourth Proportional to 19,933.47, 29,896.11 and 6,778.71

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Solution

The fourth proportional to 19,933.47, 29,896.11 and 6,778.71 is: 10,166.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,933.47 : 29,896.11 = 6,778.71 : x
  2. Step 2: Convert to fraction form
    19,933.47/29,896.11 = 6,778.71/x
  3. Step 3: Cross multiply
    19,933.47x = 29,896.11 × 6,778.71
  4. Step 4: Simplify right side
    19,933.47x = 202,657,059.82
  5. Step 5: Solve for x
    x = 202,657,059.82/19,933.47
  6. Step 6: Final answer
    x = 10,166.67

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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.