Home / 18,629.19-25,708.29-10,245.69

Finding the Fourth Proportional to 18,629.19, 25,708.29 and 10,245.69

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Solution

The fourth proportional to 18,629.19, 25,708.29 and 10,245.69 is: 14,139.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,629.19 : 25,708.29 = 10,245.69 : x
  2. Step 2: Convert to fraction form
    18,629.19/25,708.29 = 10,245.69/x
  3. Step 3: Cross multiply
    18,629.19x = 25,708.29 × 10,245.69
  4. Step 4: Simplify right side
    18,629.19x = 263,399,169.77
  5. Step 5: Solve for x
    x = 263,399,169.77/18,629.19
  6. Step 6: Final answer
    x = 14,139.06

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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.