Home / 18,313.26-25,265.14-11,947.33

Finding the Fourth Proportional to 18,313.26, 25,265.14 and 11,947.33

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Solution

The fourth proportional to 18,313.26, 25,265.14 and 11,947.33 is: 16,482.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,313.26 : 25,265.14 = 11,947.33 : x
  2. Step 2: Convert to fraction form
    18,313.26/25,265.14 = 11,947.33/x
  3. Step 3: Cross multiply
    18,313.26x = 25,265.14 × 11,947.33
  4. Step 4: Simplify right side
    18,313.26x = 301,850,965.08
  5. Step 5: Solve for x
    x = 301,850,965.08/18,313.26
  6. Step 6: Final answer
    x = 16,482.65

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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.