Home / 13,131.50-19,675.32-9,228.92

Finding the Fourth Proportional to 13,131.50, 19,675.32 and 9,228.92

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Solution

The fourth proportional to 13,131.50, 19,675.32 and 9,228.92 is: 13,827.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,131.50 : 19,675.32 = 9,228.92 : x
  2. Step 2: Convert to fraction form
    13,131.50/19,675.32 = 9,228.92/x
  3. Step 3: Cross multiply
    13,131.50x = 19,675.32 × 9,228.92
  4. Step 4: Simplify right side
    13,131.50x = 181,581,954.25
  5. Step 5: Solve for x
    x = 181,581,954.25/13,131.50
  6. Step 6: Final answer
    x = 13,827.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.