Home / 14,318.30-19,730.16-11,792.31

Finding the Fourth Proportional to 14,318.30, 19,730.16 and 11,792.31

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Solution

The fourth proportional to 14,318.30, 19,730.16 and 11,792.31 is: 16,249.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.30 : 19,730.16 = 11,792.31 : x
  2. Step 2: Convert to fraction form
    14,318.30/19,730.16 = 11,792.31/x
  3. Step 3: Cross multiply
    14,318.30x = 19,730.16 × 11,792.31
  4. Step 4: Simplify right side
    14,318.30x = 232,664,163.07
  5. Step 5: Solve for x
    x = 232,664,163.07/14,318.30
  6. Step 6: Final answer
    x = 16,249.43

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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.