Home / 14,408.24-19,885.18-8,442.18

Finding the Fourth Proportional to 14,408.24, 19,885.18 and 8,442.18

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Solution

The fourth proportional to 14,408.24, 19,885.18 and 8,442.18 is: 11,651.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,408.24 : 19,885.18 = 8,442.18 : x
  2. Step 2: Convert to fraction form
    14,408.24/19,885.18 = 8,442.18/x
  3. Step 3: Cross multiply
    14,408.24x = 19,885.18 × 8,442.18
  4. Step 4: Simplify right side
    14,408.24x = 167,874,268.89
  5. Step 5: Solve for x
    x = 167,874,268.89/14,408.24
  6. Step 6: Final answer
    x = 11,651.27

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.