Home / 13,537.40-18,687.37-8,233.92

Finding the Fourth Proportional to 13,537.40, 18,687.37 and 8,233.92

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Solution

The fourth proportional to 13,537.40, 18,687.37 and 8,233.92 is: 11,366.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,537.40 : 18,687.37 = 8,233.92 : x
  2. Step 2: Convert to fraction form
    13,537.40/18,687.37 = 8,233.92/x
  3. Step 3: Cross multiply
    13,537.40x = 18,687.37 × 8,233.92
  4. Step 4: Simplify right side
    13,537.40x = 153,870,309.59
  5. Step 5: Solve for x
    x = 153,870,309.59/13,537.40
  6. Step 6: Final answer
    x = 11,366.31

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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.