Home / 14,150.77-21,226.20-4,290.10

Finding the Fourth Proportional to 14,150.77, 21,226.20 and 4,290.10

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Solution

The fourth proportional to 14,150.77, 21,226.20 and 4,290.10 is: 6,435.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,150.77 : 21,226.20 = 4,290.10 : x
  2. Step 2: Convert to fraction form
    14,150.77/21,226.20 = 4,290.10/x
  3. Step 3: Cross multiply
    14,150.77x = 21,226.20 × 4,290.10
  4. Step 4: Simplify right side
    14,150.77x = 91,062,520.62
  5. Step 5: Solve for x
    x = 91,062,520.62/14,150.77
  6. Step 6: Final answer
    x = 6,435.16

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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.