Home / 14,066.46-21,099.69-3,678.12

Finding the Fourth Proportional to 14,066.46, 21,099.69 and 3,678.12

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Solution

The fourth proportional to 14,066.46, 21,099.69 and 3,678.12 is: 5,517.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,066.46 : 21,099.69 = 3,678.12 : x
  2. Step 2: Convert to fraction form
    14,066.46/21,099.69 = 3,678.12/x
  3. Step 3: Cross multiply
    14,066.46x = 21,099.69 × 3,678.12
  4. Step 4: Simplify right side
    14,066.46x = 77,607,191.78
  5. Step 5: Solve for x
    x = 77,607,191.78/14,066.46
  6. Step 6: Final answer
    x = 5,517.18

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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.