Home / 14,105.46-19,461.09-8,136.33

Finding the Fourth Proportional to 14,105.46, 19,461.09 and 8,136.33

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Solution

The fourth proportional to 14,105.46, 19,461.09 and 8,136.33 is: 11,225.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,105.46 : 19,461.09 = 8,136.33 : x
  2. Step 2: Convert to fraction form
    14,105.46/19,461.09 = 8,136.33/x
  3. Step 3: Cross multiply
    14,105.46x = 19,461.09 × 8,136.33
  4. Step 4: Simplify right side
    14,105.46x = 158,341,850.40
  5. Step 5: Solve for x
    x = 158,341,850.40/14,105.46
  6. Step 6: Final answer
    x = 11,225.57

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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.