Home / 13,501.08-18,626.40-8,193.96

Finding the Fourth Proportional to 13,501.08, 18,626.40 and 8,193.96

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Solution

The fourth proportional to 13,501.08, 18,626.40 and 8,193.96 is: 11,304.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501.08 : 18,626.40 = 8,193.96 : x
  2. Step 2: Convert to fraction form
    13,501.08/18,626.40 = 8,193.96/x
  3. Step 3: Cross multiply
    13,501.08x = 18,626.40 × 8,193.96
  4. Step 4: Simplify right side
    13,501.08x = 152,623,976.54
  5. Step 5: Solve for x
    x = 152,623,976.54/13,501.08
  6. Step 6: Final answer
    x = 11,304.58

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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.