Home / 13,914.08-19,207.44-8,324

Finding the Fourth Proportional to 13,914.08, 19,207.44 and 8,324

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Solution

The fourth proportional to 13,914.08, 19,207.44 and 8,324 is: 11,490.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,914.08 : 19,207.44 = 8,324 : x
  2. Step 2: Convert to fraction form
    13,914.08/19,207.44 = 8,324/x
  3. Step 3: Cross multiply
    13,914.08x = 19,207.44 × 8,324
  4. Step 4: Simplify right side
    13,914.08x = 159,882,730.56
  5. Step 5: Solve for x
    x = 159,882,730.56/13,914.08
  6. Step 6: Final answer
    x = 11,490.72

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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.