Home / 18,722.32-25,834.60-10,338.32

Finding the Fourth Proportional to 18,722.32, 25,834.60 and 10,338.32

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Solution

The fourth proportional to 18,722.32, 25,834.60 and 10,338.32 is: 14,265.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722.32 : 25,834.60 = 10,338.32 : x
  2. Step 2: Convert to fraction form
    18,722.32/25,834.60 = 10,338.32/x
  3. Step 3: Cross multiply
    18,722.32x = 25,834.60 × 10,338.32
  4. Step 4: Simplify right side
    18,722.32x = 267,086,361.87
  5. Step 5: Solve for x
    x = 267,086,361.87/18,722.32
  6. Step 6: Final answer
    x = 14,265.67

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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.