Home / 14,183.10-21,274.65-7,962.30

Finding the Fourth Proportional to 14,183.10, 21,274.65 and 7,962.30

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Solution

The fourth proportional to 14,183.10, 21,274.65 and 7,962.30 is: 11,943.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,183.10 : 21,274.65 = 7,962.30 : x
  2. Step 2: Convert to fraction form
    14,183.10/21,274.65 = 7,962.30/x
  3. Step 3: Cross multiply
    14,183.10x = 21,274.65 × 7,962.30
  4. Step 4: Simplify right side
    14,183.10x = 169,395,145.70
  5. Step 5: Solve for x
    x = 169,395,145.70/14,183.10
  6. Step 6: Final answer
    x = 11,943.45

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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.