Home / 14,121.48-21,182.22-4,885.32

Finding the Fourth Proportional to 14,121.48, 21,182.22 and 4,885.32

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Solution

The fourth proportional to 14,121.48, 21,182.22 and 4,885.32 is: 7,327.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,121.48 : 21,182.22 = 4,885.32 : x
  2. Step 2: Convert to fraction form
    14,121.48/21,182.22 = 4,885.32/x
  3. Step 3: Cross multiply
    14,121.48x = 21,182.22 × 4,885.32
  4. Step 4: Simplify right side
    14,121.48x = 103,481,923.01
  5. Step 5: Solve for x
    x = 103,481,923.01/14,121.48
  6. Step 6: Final answer
    x = 7,327.98

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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.