Home / 14,170.82-19,558.43-9,382.31

Finding the Fourth Proportional to 14,170.82, 19,558.43 and 9,382.31

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Solution

The fourth proportional to 14,170.82, 19,558.43 and 9,382.31 is: 12,949.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,170.82 : 19,558.43 = 9,382.31 : x
  2. Step 2: Convert to fraction form
    14,170.82/19,558.43 = 9,382.31/x
  3. Step 3: Cross multiply
    14,170.82x = 19,558.43 × 9,382.31
  4. Step 4: Simplify right side
    14,170.82x = 183,503,253.37
  5. Step 5: Solve for x
    x = 183,503,253.37/14,170.82
  6. Step 6: Final answer
    x = 12,949.37

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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.