Home / 23,970.88-33,080.80-13,360.56

Finding the Fourth Proportional to 23,970.88, 33,080.80 and 13,360.56

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Solution

The fourth proportional to 23,970.88, 33,080.80 and 13,360.56 is: 18,438.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,970.88 : 33,080.80 = 13,360.56 : x
  2. Step 2: Convert to fraction form
    23,970.88/33,080.80 = 13,360.56/x
  3. Step 3: Cross multiply
    23,970.88x = 33,080.80 × 13,360.56
  4. Step 4: Simplify right side
    23,970.88x = 441,978,013.25
  5. Step 5: Solve for x
    x = 441,978,013.25/23,970.88
  6. Step 6: Final answer
    x = 18,438.12

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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.