Home / 14,381.44-19,848.87-8,331.91

Finding the Fourth Proportional to 14,381.44, 19,848.87 and 8,331.91

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Solution

The fourth proportional to 14,381.44, 19,848.87 and 8,331.91 is: 11,499.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,381.44 : 19,848.87 = 8,331.91 : x
  2. Step 2: Convert to fraction form
    14,381.44/19,848.87 = 8,331.91/x
  3. Step 3: Cross multiply
    14,381.44x = 19,848.87 × 8,331.91
  4. Step 4: Simplify right side
    14,381.44x = 165,378,998.44
  5. Step 5: Solve for x
    x = 165,378,998.44/14,381.44
  6. Step 6: Final answer
    x = 11,499.47

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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.