Home / 14,091.55-21,122.07-9,164.73

Finding the Fourth Proportional to 14,091.55, 21,122.07 and 9,164.73

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Solution

The fourth proportional to 14,091.55, 21,122.07 and 9,164.73 is: 13,737.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091.55 : 21,122.07 = 9,164.73 : x
  2. Step 2: Convert to fraction form
    14,091.55/21,122.07 = 9,164.73/x
  3. Step 3: Cross multiply
    14,091.55x = 21,122.07 × 9,164.73
  4. Step 4: Simplify right side
    14,091.55x = 193,577,962.98
  5. Step 5: Solve for x
    x = 193,577,962.98/14,091.55
  6. Step 6: Final answer
    x = 13,737.17

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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.