Home / 14,434.14-19,915.83-8,144.22

Finding the Fourth Proportional to 14,434.14, 19,915.83 and 8,144.22

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Solution

The fourth proportional to 14,434.14, 19,915.83 and 8,144.22 is: 11,237.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,434.14 : 19,915.83 = 8,144.22 : x
  2. Step 2: Convert to fraction form
    14,434.14/19,915.83 = 8,144.22/x
  3. Step 3: Cross multiply
    14,434.14x = 19,915.83 × 8,144.22
  4. Step 4: Simplify right side
    14,434.14x = 162,198,901.00
  5. Step 5: Solve for x
    x = 162,198,901.00/14,434.14
  6. Step 6: Final answer
    x = 11,237.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.