Home / 36,285.44-54,424.04-12,588.62

Finding the Fourth Proportional to 36,285.44, 54,424.04 and 12,588.62

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Solution

The fourth proportional to 36,285.44, 54,424.04 and 12,588.62 is: 18,881.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,285.44 : 54,424.04 = 12,588.62 : x
  2. Step 2: Convert to fraction form
    36,285.44/54,424.04 = 12,588.62/x
  3. Step 3: Cross multiply
    36,285.44x = 54,424.04 × 12,588.62
  4. Step 4: Simplify right side
    36,285.44x = 685,123,223.36
  5. Step 5: Solve for x
    x = 685,123,223.36/36,285.44
  6. Step 6: Final answer
    x = 18,881.49

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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.