Home / 18,629.08-25,696.86-11,460.20

Finding the Fourth Proportional to 18,629.08, 25,696.86 and 11,460.20

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Solution

The fourth proportional to 18,629.08, 25,696.86 and 11,460.20 is: 15,808.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,629.08 : 25,696.86 = 11,460.20 : x
  2. Step 2: Convert to fraction form
    18,629.08/25,696.86 = 11,460.20/x
  3. Step 3: Cross multiply
    18,629.08x = 25,696.86 × 11,460.20
  4. Step 4: Simplify right side
    18,629.08x = 294,491,154.97
  5. Step 5: Solve for x
    x = 294,491,154.97/18,629.08
  6. Step 6: Final answer
    x = 15,808.14

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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.