Home / 14,121.98-21,182.97-4,885.82

Finding the Fourth Proportional to 14,121.98, 21,182.97 and 4,885.82

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Solution

The fourth proportional to 14,121.98, 21,182.97 and 4,885.82 is: 7,328.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,121.98 : 21,182.97 = 4,885.82 : x
  2. Step 2: Convert to fraction form
    14,121.98/21,182.97 = 4,885.82/x
  3. Step 3: Cross multiply
    14,121.98x = 21,182.97 × 4,885.82
  4. Step 4: Simplify right side
    14,121.98x = 103,496,178.49
  5. Step 5: Solve for x
    x = 103,496,178.49/14,121.98
  6. Step 6: Final answer
    x = 7,328.73

Related Problems

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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.