Home / 14,089.56-21,134.99-7,844.87

Finding the Fourth Proportional to 14,089.56, 21,134.99 and 7,844.87

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Solution

The fourth proportional to 14,089.56, 21,134.99 and 7,844.87 is: 11,767.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,089.56 : 21,134.99 = 7,844.87 : x
  2. Step 2: Convert to fraction form
    14,089.56/21,134.99 = 7,844.87/x
  3. Step 3: Cross multiply
    14,089.56x = 21,134.99 × 7,844.87
  4. Step 4: Simplify right side
    14,089.56x = 165,801,249.00
  5. Step 5: Solve for x
    x = 165,801,249.00/14,089.56
  6. Step 6: Final answer
    x = 11,767.67

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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.