Home / 18,466.58-27,704.63-5,319.98

Finding the Fourth Proportional to 18,466.58, 27,704.63 and 5,319.98

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Solution

The fourth proportional to 18,466.58, 27,704.63 and 5,319.98 is: 7,981.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,466.58 : 27,704.63 = 5,319.98 : x
  2. Step 2: Convert to fraction form
    18,466.58/27,704.63 = 5,319.98/x
  3. Step 3: Cross multiply
    18,466.58x = 27,704.63 × 5,319.98
  4. Step 4: Simplify right side
    18,466.58x = 147,388,077.51
  5. Step 5: Solve for x
    x = 147,388,077.51/18,466.58
  6. Step 6: Final answer
    x = 7,981.34

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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.