Home / 18,934.01-28,369.77-11,516.03

Finding the Fourth Proportional to 18,934.01, 28,369.77 and 11,516.03

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Solution

The fourth proportional to 18,934.01, 28,369.77 and 11,516.03 is: 17,255.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,934.01 : 28,369.77 = 11,516.03 : x
  2. Step 2: Convert to fraction form
    18,934.01/28,369.77 = 11,516.03/x
  3. Step 3: Cross multiply
    18,934.01x = 28,369.77 × 11,516.03
  4. Step 4: Simplify right side
    18,934.01x = 326,707,150.15
  5. Step 5: Solve for x
    x = 326,707,150.15/18,934.01
  6. Step 6: Final answer
    x = 17,255.04

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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.