Home / 18,261.56-25,200.37-10,303.67

Finding the Fourth Proportional to 18,261.56, 25,200.37 and 10,303.67

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Solution

The fourth proportional to 18,261.56, 25,200.37 and 10,303.67 is: 14,218.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,261.56 : 25,200.37 = 10,303.67 : x
  2. Step 2: Convert to fraction form
    18,261.56/25,200.37 = 10,303.67/x
  3. Step 3: Cross multiply
    18,261.56x = 25,200.37 × 10,303.67
  4. Step 4: Simplify right side
    18,261.56x = 259,656,144.60
  5. Step 5: Solve for x
    x = 259,656,144.60/18,261.56
  6. Step 6: Final answer
    x = 14,218.73

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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.