Home / 19,399.40-26,774.66-11,441.16

Finding the Fourth Proportional to 19,399.40, 26,774.66 and 11,441.16

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Solution

The fourth proportional to 19,399.40, 26,774.66 and 11,441.16 is: 15,790.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,399.40 : 26,774.66 = 11,441.16 : x
  2. Step 2: Convert to fraction form
    19,399.40/26,774.66 = 11,441.16/x
  3. Step 3: Cross multiply
    19,399.40x = 26,774.66 × 11,441.16
  4. Step 4: Simplify right side
    19,399.40x = 306,333,169.01
  5. Step 5: Solve for x
    x = 306,333,169.01/19,399.40
  6. Step 6: Final answer
    x = 15,790.86

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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.