Home / 36,105.76-54,158.56-9,814.32

Finding the Fourth Proportional to 36,105.76, 54,158.56 and 9,814.32

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Solution

The fourth proportional to 36,105.76, 54,158.56 and 9,814.32 is: 14,721.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,105.76 : 54,158.56 = 9,814.32 : x
  2. Step 2: Convert to fraction form
    36,105.76/54,158.56 = 9,814.32/x
  3. Step 3: Cross multiply
    36,105.76x = 54,158.56 × 9,814.32
  4. Step 4: Simplify right side
    36,105.76x = 531,529,438.58
  5. Step 5: Solve for x
    x = 531,529,438.58/36,105.76
  6. Step 6: Final answer
    x = 14,721.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.