Home / 14,116.37-21,174.56-4,255.64

Finding the Fourth Proportional to 14,116.37, 21,174.56 and 4,255.64

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Solution

The fourth proportional to 14,116.37, 21,174.56 and 4,255.64 is: 6,383.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,116.37 : 21,174.56 = 4,255.64 : x
  2. Step 2: Convert to fraction form
    14,116.37/21,174.56 = 4,255.64/x
  3. Step 3: Cross multiply
    14,116.37x = 21,174.56 × 4,255.64
  4. Step 4: Simplify right side
    14,116.37x = 90,111,177.37
  5. Step 5: Solve for x
    x = 90,111,177.37/14,116.37
  6. Step 6: Final answer
    x = 6,383.45

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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.