Home / 13,944.08-19,239.08-8,274.12

Finding the Fourth Proportional to 13,944.08, 19,239.08 and 8,274.12

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Solution

The fourth proportional to 13,944.08, 19,239.08 and 8,274.12 is: 11,416.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944.08 : 19,239.08 = 8,274.12 : x
  2. Step 2: Convert to fraction form
    13,944.08/19,239.08 = 8,274.12/x
  3. Step 3: Cross multiply
    13,944.08x = 19,239.08 × 8,274.12
  4. Step 4: Simplify right side
    13,944.08x = 159,186,456.61
  5. Step 5: Solve for x
    x = 159,186,456.61/13,944.08
  6. Step 6: Final answer
    x = 11,416.06

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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.