Home / 36,135.08-54,189.15-12,436.01

Finding the Fourth Proportional to 36,135.08, 54,189.15 and 12,436.01

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Solution

The fourth proportional to 36,135.08, 54,189.15 and 12,436.01 is: 18,649.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,135.08 : 54,189.15 = 12,436.01 : x
  2. Step 2: Convert to fraction form
    36,135.08/54,189.15 = 12,436.01/x
  3. Step 3: Cross multiply
    36,135.08x = 54,189.15 × 12,436.01
  4. Step 4: Simplify right side
    36,135.08x = 673,896,540.35
  5. Step 5: Solve for x
    x = 673,896,540.35/36,135.08
  6. Step 6: Final answer
    x = 18,649.37

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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.