Home / 14,105.04-19,463.16-8,136.72

Finding the Fourth Proportional to 14,105.04, 19,463.16 and 8,136.72

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Solution

The fourth proportional to 14,105.04, 19,463.16 and 8,136.72 is: 11,227.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,105.04 : 19,463.16 = 8,136.72 : x
  2. Step 2: Convert to fraction form
    14,105.04/19,463.16 = 8,136.72/x
  3. Step 3: Cross multiply
    14,105.04x = 19,463.16 × 8,136.72
  4. Step 4: Simplify right side
    14,105.04x = 158,366,283.24
  5. Step 5: Solve for x
    x = 158,366,283.24/14,105.04
  6. Step 6: Final answer
    x = 11,227.64

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Half scale
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Double scale
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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.