Home / 14,768.76-20,381.38-8,054.75

Finding the Fourth Proportional to 14,768.76, 20,381.38 and 8,054.75

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Solution

The fourth proportional to 14,768.76, 20,381.38 and 8,054.75 is: 11,115.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,768.76 : 20,381.38 = 8,054.75 : x
  2. Step 2: Convert to fraction form
    14,768.76/20,381.38 = 8,054.75/x
  3. Step 3: Cross multiply
    14,768.76x = 20,381.38 × 8,054.75
  4. Step 4: Simplify right side
    14,768.76x = 164,166,920.56
  5. Step 5: Solve for x
    x = 164,166,920.56/14,768.76
  6. Step 6: Final answer
    x = 11,115.82

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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.