Home / 13,441.26-18,544.59-7,471.77

Finding the Fourth Proportional to 13,441.26, 18,544.59 and 7,471.77

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Solution

The fourth proportional to 13,441.26, 18,544.59 and 7,471.77 is: 10,308.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441.26 : 18,544.59 = 7,471.77 : x
  2. Step 2: Convert to fraction form
    13,441.26/18,544.59 = 7,471.77/x
  3. Step 3: Cross multiply
    13,441.26x = 18,544.59 × 7,471.77
  4. Step 4: Simplify right side
    13,441.26x = 138,560,911.22
  5. Step 5: Solve for x
    x = 138,560,911.22/13,441.26
  6. Step 6: Final answer
    x = 10,308.63

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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.