Home / 18,255.65-25,193.55-10,297.87

Finding the Fourth Proportional to 18,255.65, 25,193.55 and 10,297.87

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Solution

The fourth proportional to 18,255.65, 25,193.55 and 10,297.87 is: 14,211.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,255.65 : 25,193.55 = 10,297.87 : x
  2. Step 2: Convert to fraction form
    18,255.65/25,193.55 = 10,297.87/x
  3. Step 3: Cross multiply
    18,255.65x = 25,193.55 × 10,297.87
  4. Step 4: Simplify right side
    18,255.65x = 259,439,878.37
  5. Step 5: Solve for x
    x = 259,439,878.37/18,255.65
  6. Step 6: Final answer
    x = 14,211.49

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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.