Home / 23,971.80-33,080.76-13,361.88

Finding the Fourth Proportional to 23,971.80, 33,080.76 and 13,361.88

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Solution

The fourth proportional to 23,971.80, 33,080.76 and 13,361.88 is: 18,439.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,971.80 : 33,080.76 = 13,361.88 : x
  2. Step 2: Convert to fraction form
    23,971.80/33,080.76 = 13,361.88/x
  3. Step 3: Cross multiply
    23,971.80x = 33,080.76 × 13,361.88
  4. Step 4: Simplify right side
    23,971.80x = 442,021,145.43
  5. Step 5: Solve for x
    x = 442,021,145.43/23,971.80
  6. Step 6: Final answer
    x = 18,439.21

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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.