Home / 13,960.11-19,264.32-8,655.42

Finding the Fourth Proportional to 13,960.11, 19,264.32 and 8,655.42

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Solution

The fourth proportional to 13,960.11, 19,264.32 and 8,655.42 is: 11,944.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,960.11 : 19,264.32 = 8,655.42 : x
  2. Step 2: Convert to fraction form
    13,960.11/19,264.32 = 8,655.42/x
  3. Step 3: Cross multiply
    13,960.11x = 19,264.32 × 8,655.42
  4. Step 4: Simplify right side
    13,960.11x = 166,740,780.61
  5. Step 5: Solve for x
    x = 166,740,780.61/13,960.11
  6. Step 6: Final answer
    x = 11,944.09

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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.