Home / 18,622.14-25,697.25-13,329.42

Finding the Fourth Proportional to 18,622.14, 25,697.25 and 13,329.42

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Solution

The fourth proportional to 18,622.14, 25,697.25 and 13,329.42 is: 18,393.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,622.14 : 25,697.25 = 13,329.42 : x
  2. Step 2: Convert to fraction form
    18,622.14/25,697.25 = 13,329.42/x
  3. Step 3: Cross multiply
    18,622.14x = 25,697.25 × 13,329.42
  4. Step 4: Simplify right side
    18,622.14x = 342,529,438.10
  5. Step 5: Solve for x
    x = 342,529,438.10/18,622.14
  6. Step 6: Final answer
    x = 18,393.67

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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.