Home / 14,469.56-21,711.09-5,116.66

Finding the Fourth Proportional to 14,469.56, 21,711.09 and 5,116.66

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Solution

The fourth proportional to 14,469.56, 21,711.09 and 5,116.66 is: 7,677.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,469.56 : 21,711.09 = 5,116.66 : x
  2. Step 2: Convert to fraction form
    14,469.56/21,711.09 = 5,116.66/x
  3. Step 3: Cross multiply
    14,469.56x = 21,711.09 × 5,116.66
  4. Step 4: Simplify right side
    14,469.56x = 111,088,265.76
  5. Step 5: Solve for x
    x = 111,088,265.76/14,469.56
  6. Step 6: Final answer
    x = 7,677.38

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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.