Home / 18,629.00-25,695.01-12,650.29

Finding the Fourth Proportional to 18,629.00, 25,695.01 and 12,650.29

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Solution

The fourth proportional to 18,629.00, 25,695.01 and 12,650.29 is: 17,448.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,629.00 : 25,695.01 = 12,650.29 : x
  2. Step 2: Convert to fraction form
    18,629.00/25,695.01 = 12,650.29/x
  3. Step 3: Cross multiply
    18,629.00x = 25,695.01 × 12,650.29
  4. Step 4: Simplify right side
    18,629.00x = 325,049,208.47
  5. Step 5: Solve for x
    x = 325,049,208.47/18,629.00
  6. Step 6: Final answer
    x = 17,448.56

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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.