Home / 18,512.58-25,546.40-10,127.46

Finding the Fourth Proportional to 18,512.58, 25,546.40 and 10,127.46

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Solution

The fourth proportional to 18,512.58, 25,546.40 and 10,127.46 is: 13,975.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,512.58 : 25,546.40 = 10,127.46 : x
  2. Step 2: Convert to fraction form
    18,512.58/25,546.40 = 10,127.46/x
  3. Step 3: Cross multiply
    18,512.58x = 25,546.40 × 10,127.46
  4. Step 4: Simplify right side
    18,512.58x = 258,720,144.14
  5. Step 5: Solve for x
    x = 258,720,144.14/18,512.58
  6. Step 6: Final answer
    x = 13,975.37

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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.