Home / 23,453.20-32,361.96-13,378.96

Finding the Fourth Proportional to 23,453.20, 32,361.96 and 13,378.96

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Solution

The fourth proportional to 23,453.20, 32,361.96 and 13,378.96 is: 18,460.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,453.20 : 32,361.96 = 13,378.96 : x
  2. Step 2: Convert to fraction form
    23,453.20/32,361.96 = 13,378.96/x
  3. Step 3: Cross multiply
    23,453.20x = 32,361.96 × 13,378.96
  4. Step 4: Simplify right side
    23,453.20x = 432,969,368.36
  5. Step 5: Solve for x
    x = 432,969,368.36/23,453.20
  6. Step 6: Final answer
    x = 18,460.99

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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.