Home / 14,049.40-19,384.68-7,998.36

Finding the Fourth Proportional to 14,049.40, 19,384.68 and 7,998.36

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Solution

The fourth proportional to 14,049.40, 19,384.68 and 7,998.36 is: 11,035.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,049.40 : 19,384.68 = 7,998.36 : x
  2. Step 2: Convert to fraction form
    14,049.40/19,384.68 = 7,998.36/x
  3. Step 3: Cross multiply
    14,049.40x = 19,384.68 × 7,998.36
  4. Step 4: Simplify right side
    14,049.40x = 155,045,649.12
  5. Step 5: Solve for x
    x = 155,045,649.12/14,049.40
  6. Step 6: Final answer
    x = 11,035.75

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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.