Home / 18,182.21-25,091.79-10,629.19

Finding the Fourth Proportional to 18,182.21, 25,091.79 and 10,629.19

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Solution

The fourth proportional to 18,182.21, 25,091.79 and 10,629.19 is: 14,668.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,182.21 : 25,091.79 = 10,629.19 : x
  2. Step 2: Convert to fraction form
    18,182.21/25,091.79 = 10,629.19/x
  3. Step 3: Cross multiply
    18,182.21x = 25,091.79 × 10,629.19
  4. Step 4: Simplify right side
    18,182.21x = 266,705,277.89
  5. Step 5: Solve for x
    x = 266,705,277.89/18,182.21
  6. Step 6: Final answer
    x = 14,668.47

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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.