Home / 18,629.77-25,708.57-10,246.27

Finding the Fourth Proportional to 18,629.77, 25,708.57 and 10,246.27

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Solution

The fourth proportional to 18,629.77, 25,708.57 and 10,246.27 is: 14,139.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,629.77 : 25,708.57 = 10,246.27 : x
  2. Step 2: Convert to fraction form
    18,629.77/25,708.57 = 10,246.27/x
  3. Step 3: Cross multiply
    18,629.77x = 25,708.57 × 10,246.27
  4. Step 4: Simplify right side
    18,629.77x = 263,416,949.53
  5. Step 5: Solve for x
    x = 263,416,949.53/18,629.77
  6. Step 6: Final answer
    x = 14,139.57

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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.