Home / 13,761.06-18,994.74-8,095.50

Finding the Fourth Proportional to 13,761.06, 18,994.74 and 8,095.50

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Solution

The fourth proportional to 13,761.06, 18,994.74 and 8,095.50 is: 11,174.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,761.06 : 18,994.74 = 8,095.50 : x
  2. Step 2: Convert to fraction form
    13,761.06/18,994.74 = 8,095.50/x
  3. Step 3: Cross multiply
    13,761.06x = 18,994.74 × 8,095.50
  4. Step 4: Simplify right side
    13,761.06x = 153,771,917.67
  5. Step 5: Solve for x
    x = 153,771,917.67/13,761.06
  6. Step 6: Final answer
    x = 11,174.42

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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.