Home / 14,512.16-21,771.84-5,153.60

Finding the Fourth Proportional to 14,512.16, 21,771.84 and 5,153.60

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Solution

The fourth proportional to 14,512.16, 21,771.84 and 5,153.60 is: 7,731.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,512.16 : 21,771.84 = 5,153.60 : x
  2. Step 2: Convert to fraction form
    14,512.16/21,771.84 = 5,153.60/x
  3. Step 3: Cross multiply
    14,512.16x = 21,771.84 × 5,153.60
  4. Step 4: Simplify right side
    14,512.16x = 112,203,354.62
  5. Step 5: Solve for x
    x = 112,203,354.62/14,512.16
  6. Step 6: Final answer
    x = 7,731.68

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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.