Home / 18,862.91-26,033.07-11,313.39

Finding the Fourth Proportional to 18,862.91, 26,033.07 and 11,313.39

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Solution

The fourth proportional to 18,862.91, 26,033.07 and 11,313.39 is: 15,613.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,862.91 : 26,033.07 = 11,313.39 : x
  2. Step 2: Convert to fraction form
    18,862.91/26,033.07 = 11,313.39/x
  3. Step 3: Cross multiply
    18,862.91x = 26,033.07 × 11,313.39
  4. Step 4: Simplify right side
    18,862.91x = 294,522,273.81
  5. Step 5: Solve for x
    x = 294,522,273.81/18,862.91
  6. Step 6: Final answer
    x = 15,613.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.