Home / 18,255.40-25,193.63-10,297.45

Finding the Fourth Proportional to 18,255.40, 25,193.63 and 10,297.45

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Solution

The fourth proportional to 18,255.40, 25,193.63 and 10,297.45 is: 14,211.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,255.40 : 25,193.63 = 10,297.45 : x
  2. Step 2: Convert to fraction form
    18,255.40/25,193.63 = 10,297.45/x
  3. Step 3: Cross multiply
    18,255.40x = 25,193.63 × 10,297.45
  4. Step 4: Simplify right side
    18,255.40x = 259,430,144.56
  5. Step 5: Solve for x
    x = 259,430,144.56/18,255.40
  6. Step 6: Final answer
    x = 14,211.15

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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.