Home / 18,629.88-25,709.11-10,565.06

Finding the Fourth Proportional to 18,629.88, 25,709.11 and 10,565.06

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Solution

The fourth proportional to 18,629.88, 25,709.11 and 10,565.06 is: 14,579.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,629.88 : 25,709.11 = 10,565.06 : x
  2. Step 2: Convert to fraction form
    18,629.88/25,709.11 = 10,565.06/x
  3. Step 3: Cross multiply
    18,629.88x = 25,709.11 × 10,565.06
  4. Step 4: Simplify right side
    18,629.88x = 271,618,134.74
  5. Step 5: Solve for x
    x = 271,618,134.74/18,629.88
  6. Step 6: Final answer
    x = 14,579.71

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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.