Home / 14,515.37-21,772.59-4,127.12

Finding the Fourth Proportional to 14,515.37, 21,772.59 and 4,127.12

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Solution

The fourth proportional to 14,515.37, 21,772.59 and 4,127.12 is: 6,190.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,515.37 : 21,772.59 = 4,127.12 : x
  2. Step 2: Convert to fraction form
    14,515.37/21,772.59 = 4,127.12/x
  3. Step 3: Cross multiply
    14,515.37x = 21,772.59 × 4,127.12
  4. Step 4: Simplify right side
    14,515.37x = 89,858,091.64
  5. Step 5: Solve for x
    x = 89,858,091.64/14,515.37
  6. Step 6: Final answer
    x = 6,190.55

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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.