Home / 25,714.78-35,481.60-15,100.54

Finding the Fourth Proportional to 25,714.78, 35,481.60 and 15,100.54

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Solution

The fourth proportional to 25,714.78, 35,481.60 and 15,100.54 is: 20,835.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,714.78 : 35,481.60 = 15,100.54 : x
  2. Step 2: Convert to fraction form
    25,714.78/35,481.60 = 15,100.54/x
  3. Step 3: Cross multiply
    25,714.78x = 35,481.60 × 15,100.54
  4. Step 4: Simplify right side
    25,714.78x = 535,791,320.06
  5. Step 5: Solve for x
    x = 535,791,320.06/25,714.78
  6. Step 6: Final answer
    x = 20,835.93

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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.