Home / 14,574.39-21,861.58-4,186.14

Finding the Fourth Proportional to 14,574.39, 21,861.58 and 4,186.14

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Solution

The fourth proportional to 14,574.39, 21,861.58 and 4,186.14 is: 6,279.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,574.39 : 21,861.58 = 4,186.14 : x
  2. Step 2: Convert to fraction form
    14,574.39/21,861.58 = 4,186.14/x
  3. Step 3: Cross multiply
    14,574.39x = 21,861.58 × 4,186.14
  4. Step 4: Simplify right side
    14,574.39x = 91,515,634.50
  5. Step 5: Solve for x
    x = 91,515,634.50/14,574.39
  6. Step 6: Final answer
    x = 6,279.21

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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.