Home / 18,466.34-27,704.25-5,319.72

Finding the Fourth Proportional to 18,466.34, 27,704.25 and 5,319.72

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Solution

The fourth proportional to 18,466.34, 27,704.25 and 5,319.72 is: 7,980.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,466.34 : 27,704.25 = 5,319.72 : x
  2. Step 2: Convert to fraction form
    18,466.34/27,704.25 = 5,319.72/x
  3. Step 3: Cross multiply
    18,466.34x = 27,704.25 × 5,319.72
  4. Step 4: Simplify right side
    18,466.34x = 147,378,852.81
  5. Step 5: Solve for x
    x = 147,378,852.81/18,466.34
  6. Step 6: Final answer
    x = 7,980.95

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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.