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Finding the Fourth Proportional to 14,396.81, 21,595.22 and 5,625.57

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Solution

The fourth proportional to 14,396.81, 21,595.22 and 5,625.57 is: 8,438.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,396.81 : 21,595.22 = 5,625.57 : x
  2. Step 2: Convert to fraction form
    14,396.81/21,595.22 = 5,625.57/x
  3. Step 3: Cross multiply
    14,396.81x = 21,595.22 × 5,625.57
  4. Step 4: Simplify right side
    14,396.81x = 121,485,393.65
  5. Step 5: Solve for x
    x = 121,485,393.65/14,396.81
  6. Step 6: Final answer
    x = 8,438.36

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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.