Home / 36,087.06-54,115.11-12,396.99

Finding the Fourth Proportional to 36,087.06, 54,115.11 and 12,396.99

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Solution

The fourth proportional to 36,087.06, 54,115.11 and 12,396.99 is: 18,590.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,087.06 : 54,115.11 = 12,396.99 : x
  2. Step 2: Convert to fraction form
    36,087.06/54,115.11 = 12,396.99/x
  3. Step 3: Cross multiply
    36,087.06x = 54,115.11 × 12,396.99
  4. Step 4: Simplify right side
    36,087.06x = 670,864,477.52
  5. Step 5: Solve for x
    x = 670,864,477.52/36,087.06
  6. Step 6: Final answer
    x = 18,590.17

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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.