Home / 36,625.14-54,916.11-12,921.30

Finding the Fourth Proportional to 36,625.14, 54,916.11 and 12,921.30

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Solution

The fourth proportional to 36,625.14, 54,916.11 and 12,921.30 is: 19,374.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,625.14 : 54,916.11 = 12,921.30 : x
  2. Step 2: Convert to fraction form
    36,625.14/54,916.11 = 12,921.30/x
  3. Step 3: Cross multiply
    36,625.14x = 54,916.11 × 12,921.30
  4. Step 4: Simplify right side
    36,625.14x = 709,587,532.14
  5. Step 5: Solve for x
    x = 709,587,532.14/36,625.14
  6. Step 6: Final answer
    x = 19,374.33

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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.