Home / 20,716.26-28,599.03-14,037.18

Finding the Fourth Proportional to 20,716.26, 28,599.03 and 14,037.18

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Solution

The fourth proportional to 20,716.26, 28,599.03 and 14,037.18 is: 19,378.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,716.26 : 28,599.03 = 14,037.18 : x
  2. Step 2: Convert to fraction form
    20,716.26/28,599.03 = 14,037.18/x
  3. Step 3: Cross multiply
    20,716.26x = 28,599.03 × 14,037.18
  4. Step 4: Simplify right side
    20,716.26x = 401,449,731.94
  5. Step 5: Solve for x
    x = 401,449,731.94/20,716.26
  6. Step 6: Final answer
    x = 19,378.48

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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.