Home / 14,106.42-21,158.79-6,313.14

Finding the Fourth Proportional to 14,106.42, 21,158.79 and 6,313.14

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Solution

The fourth proportional to 14,106.42, 21,158.79 and 6,313.14 is: 9,469.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,106.42 : 21,158.79 = 6,313.14 : x
  2. Step 2: Convert to fraction form
    14,106.42/21,158.79 = 6,313.14/x
  3. Step 3: Cross multiply
    14,106.42x = 21,158.79 × 6,313.14
  4. Step 4: Simplify right side
    14,106.42x = 133,578,403.50
  5. Step 5: Solve for x
    x = 133,578,403.50/14,106.42
  6. Step 6: Final answer
    x = 9,469.33

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Half scale
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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.