Home / 18,572.24-25,629.78-10,074.46

Finding the Fourth Proportional to 18,572.24, 25,629.78 and 10,074.46

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Solution

The fourth proportional to 18,572.24, 25,629.78 and 10,074.46 is: 13,902.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,572.24 : 25,629.78 = 10,074.46 : x
  2. Step 2: Convert to fraction form
    18,572.24/25,629.78 = 10,074.46/x
  3. Step 3: Cross multiply
    18,572.24x = 25,629.78 × 10,074.46
  4. Step 4: Simplify right side
    18,572.24x = 258,206,193.42
  5. Step 5: Solve for x
    x = 258,206,193.42/18,572.24
  6. Step 6: Final answer
    x = 13,902.80

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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.