Home / 14,105.19-19,464.41-8,136.50

Finding the Fourth Proportional to 14,105.19, 19,464.41 and 8,136.50

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Solution

The fourth proportional to 14,105.19, 19,464.41 and 8,136.50 is: 11,227.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,105.19 : 19,464.41 = 8,136.50 : x
  2. Step 2: Convert to fraction form
    14,105.19/19,464.41 = 8,136.50/x
  3. Step 3: Cross multiply
    14,105.19x = 19,464.41 × 8,136.50
  4. Step 4: Simplify right side
    14,105.19x = 158,372,240.97
  5. Step 5: Solve for x
    x = 158,372,240.97/14,105.19
  6. Step 6: Final answer
    x = 11,227.94

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Half scale
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Double scale
Find fourth proportional to 14,106.19, 19,465.79 and 8,137.50
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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.