Home / 14,225.21-21,336.21-5,453.96

Finding the Fourth Proportional to 14,225.21, 21,336.21 and 5,453.96

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Solution

The fourth proportional to 14,225.21, 21,336.21 and 5,453.96 is: 8,180.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,225.21 : 21,336.21 = 5,453.96 : x
  2. Step 2: Convert to fraction form
    14,225.21/21,336.21 = 5,453.96/x
  3. Step 3: Cross multiply
    14,225.21x = 21,336.21 × 5,453.96
  4. Step 4: Simplify right side
    14,225.21x = 116,366,889.23
  5. Step 5: Solve for x
    x = 116,366,889.23/14,225.21
  6. Step 6: Final answer
    x = 8,180.33

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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.