Home / 19,400.58-26,771.61-11,443.14

Finding the Fourth Proportional to 19,400.58, 26,771.61 and 11,443.14

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Solution

The fourth proportional to 19,400.58, 26,771.61 and 11,443.14 is: 15,790.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,400.58 : 26,771.61 = 11,443.14 : x
  2. Step 2: Convert to fraction form
    19,400.58/26,771.61 = 11,443.14/x
  3. Step 3: Cross multiply
    19,400.58x = 26,771.61 × 11,443.14
  4. Step 4: Simplify right side
    19,400.58x = 306,351,281.26
  5. Step 5: Solve for x
    x = 306,351,281.26/19,400.58
  6. Step 6: Final answer
    x = 15,790.83

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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.