Home / 36,640.65-54,959.95-11,682.20

Finding the Fourth Proportional to 36,640.65, 54,959.95 and 11,682.20

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Solution

The fourth proportional to 36,640.65, 54,959.95 and 11,682.20 is: 17,522.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,640.65 : 54,959.95 = 11,682.20 : x
  2. Step 2: Convert to fraction form
    36,640.65/54,959.95 = 11,682.20/x
  3. Step 3: Cross multiply
    36,640.65x = 54,959.95 × 11,682.20
  4. Step 4: Simplify right side
    36,640.65x = 642,052,823.88
  5. Step 5: Solve for x
    x = 642,052,823.88/36,640.65
  6. Step 6: Final answer
    x = 17,522.96

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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.