Home / 14,422.48-19,902.99-8,134.81

Finding the Fourth Proportional to 14,422.48, 19,902.99 and 8,134.81

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Solution

The fourth proportional to 14,422.48, 19,902.99 and 8,134.81 is: 11,226.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,422.48 : 19,902.99 = 8,134.81 : x
  2. Step 2: Convert to fraction form
    14,422.48/19,902.99 = 8,134.81/x
  3. Step 3: Cross multiply
    14,422.48x = 19,902.99 × 8,134.81
  4. Step 4: Simplify right side
    14,422.48x = 161,907,042.08
  5. Step 5: Solve for x
    x = 161,907,042.08/14,422.48
  6. Step 6: Final answer
    x = 11,226.02

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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.