Home / 14,164.56-21,250.94-5,400.16

Finding the Fourth Proportional to 14,164.56, 21,250.94 and 5,400.16

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Solution

The fourth proportional to 14,164.56, 21,250.94 and 5,400.16 is: 8,101.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,164.56 : 21,250.94 = 5,400.16 : x
  2. Step 2: Convert to fraction form
    14,164.56/21,250.94 = 5,400.16/x
  3. Step 3: Cross multiply
    14,164.56x = 21,250.94 × 5,400.16
  4. Step 4: Simplify right side
    14,164.56x = 114,758,476.15
  5. Step 5: Solve for x
    x = 114,758,476.15/14,164.56
  6. Step 6: Final answer
    x = 8,101.80

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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.