Home / 18,182.09-25,091.62-10,629.06

Finding the Fourth Proportional to 18,182.09, 25,091.62 and 10,629.06

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Solution

The fourth proportional to 18,182.09, 25,091.62 and 10,629.06 is: 14,668.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,182.09 : 25,091.62 = 10,629.06 : x
  2. Step 2: Convert to fraction form
    18,182.09/25,091.62 = 10,629.06/x
  3. Step 3: Cross multiply
    18,182.09x = 25,091.62 × 10,629.06
  4. Step 4: Simplify right side
    18,182.09x = 266,700,307.90
  5. Step 5: Solve for x
    x = 266,700,307.90/18,182.09
  6. Step 6: Final answer
    x = 14,668.30

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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.