Home / 18,169.24-25,063.31-11,443.32

Finding the Fourth Proportional to 18,169.24, 25,063.31 and 11,443.32

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Solution

The fourth proportional to 18,169.24, 25,063.31 and 11,443.32 is: 15,785.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,169.24 : 25,063.31 = 11,443.32 : x
  2. Step 2: Convert to fraction form
    18,169.24/25,063.31 = 11,443.32/x
  3. Step 3: Cross multiply
    18,169.24x = 25,063.31 × 11,443.32
  4. Step 4: Simplify right side
    18,169.24x = 286,807,476.59
  5. Step 5: Solve for x
    x = 286,807,476.59/18,169.24
  6. Step 6: Final answer
    x = 15,785.33

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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.