Home / 14,222.16-21,323.16-5,455.44

Finding the Fourth Proportional to 14,222.16, 21,323.16 and 5,455.44

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Solution

The fourth proportional to 14,222.16, 21,323.16 and 5,455.44 is: 8,179.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,222.16 : 21,323.16 = 5,455.44 : x
  2. Step 2: Convert to fraction form
    14,222.16/21,323.16 = 5,455.44/x
  3. Step 3: Cross multiply
    14,222.16x = 21,323.16 × 5,455.44
  4. Step 4: Simplify right side
    14,222.16x = 116,327,219.99
  5. Step 5: Solve for x
    x = 116,327,219.99/14,222.16
  6. Step 6: Final answer
    x = 8,179.29

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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.