Home / 25,879.48-35,714.46-15,809.56

Finding the Fourth Proportional to 25,879.48, 35,714.46 and 15,809.56

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Solution

The fourth proportional to 25,879.48, 35,714.46 and 15,809.56 is: 21,817.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,879.48 : 35,714.46 = 15,809.56 : x
  2. Step 2: Convert to fraction form
    25,879.48/35,714.46 = 15,809.56/x
  3. Step 3: Cross multiply
    25,879.48x = 35,714.46 × 15,809.56
  4. Step 4: Simplify right side
    25,879.48x = 564,629,898.24
  5. Step 5: Solve for x
    x = 564,629,898.24/25,879.48
  6. Step 6: Final answer
    x = 21,817.67

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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.