Home / 14,049.48-21,074.22-3,661.20

Finding the Fourth Proportional to 14,049.48, 21,074.22 and 3,661.20

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Solution

The fourth proportional to 14,049.48, 21,074.22 and 3,661.20 is: 5,491.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,049.48 : 21,074.22 = 3,661.20 : x
  2. Step 2: Convert to fraction form
    14,049.48/21,074.22 = 3,661.20/x
  3. Step 3: Cross multiply
    14,049.48x = 21,074.22 × 3,661.20
  4. Step 4: Simplify right side
    14,049.48x = 77,156,934.26
  5. Step 5: Solve for x
    x = 77,156,934.26/14,049.48
  6. Step 6: Final answer
    x = 5,491.80

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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.