Home / 15,272.70-22,900.74-4,739.87

Finding the Fourth Proportional to 15,272.70, 22,900.74 and 4,739.87

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Solution

The fourth proportional to 15,272.70, 22,900.74 and 4,739.87 is: 7,107.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,272.70 : 22,900.74 = 4,739.87 : x
  2. Step 2: Convert to fraction form
    15,272.70/22,900.74 = 4,739.87/x
  3. Step 3: Cross multiply
    15,272.70x = 22,900.74 × 4,739.87
  4. Step 4: Simplify right side
    15,272.70x = 108,546,416.00
  5. Step 5: Solve for x
    x = 108,546,416.00/15,272.70
  6. Step 6: Final answer
    x = 7,107.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.