Home / 14,091.08-21,136.59-5,769.63

Finding the Fourth Proportional to 14,091.08, 21,136.59 and 5,769.63

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Solution

The fourth proportional to 14,091.08, 21,136.59 and 5,769.63 is: 8,654.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091.08 : 21,136.59 = 5,769.63 : x
  2. Step 2: Convert to fraction form
    14,091.08/21,136.59 = 5,769.63/x
  3. Step 3: Cross multiply
    14,091.08x = 21,136.59 × 5,769.63
  4. Step 4: Simplify right side
    14,091.08x = 121,950,303.76
  5. Step 5: Solve for x
    x = 121,950,303.76/14,091.08
  6. Step 6: Final answer
    x = 8,654.44

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Double scale
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Similar ratio
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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.