Home / 14,768.70-20,380.47-8,054.33

Finding the Fourth Proportional to 14,768.70, 20,380.47 and 8,054.33

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Solution

The fourth proportional to 14,768.70, 20,380.47 and 8,054.33 is: 11,114.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,768.70 : 20,380.47 = 8,054.33 : x
  2. Step 2: Convert to fraction form
    14,768.70/20,380.47 = 8,054.33/x
  3. Step 3: Cross multiply
    14,768.70x = 20,380.47 × 8,054.33
  4. Step 4: Simplify right side
    14,768.70x = 164,151,030.94
  5. Step 5: Solve for x
    x = 164,151,030.94/14,768.70
  6. Step 6: Final answer
    x = 11,114.79

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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.