Home / 13,761.08-18,994.79-8,095.53

Finding the Fourth Proportional to 13,761.08, 18,994.79 and 8,095.53

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Solution

The fourth proportional to 13,761.08, 18,994.79 and 8,095.53 is: 11,174.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,761.08 : 18,994.79 = 8,095.53 : x
  2. Step 2: Convert to fraction form
    13,761.08/18,994.79 = 8,095.53/x
  3. Step 3: Cross multiply
    13,761.08x = 18,994.79 × 8,095.53
  4. Step 4: Simplify right side
    13,761.08x = 153,772,912.53
  5. Step 5: Solve for x
    x = 153,772,912.53/13,761.08
  6. Step 6: Final answer
    x = 11,174.48

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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.