Home / 14,721.24-22,087.74-6,930.60

Finding the Fourth Proportional to 14,721.24, 22,087.74 and 6,930.60

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Solution

The fourth proportional to 14,721.24, 22,087.74 and 6,930.60 is: 10,398.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,721.24 : 22,087.74 = 6,930.60 : x
  2. Step 2: Convert to fraction form
    14,721.24/22,087.74 = 6,930.60/x
  3. Step 3: Cross multiply
    14,721.24x = 22,087.74 × 6,930.60
  4. Step 4: Simplify right side
    14,721.24x = 153,081,290.84
  5. Step 5: Solve for x
    x = 153,081,290.84/14,721.24
  6. Step 6: Final answer
    x = 10,398.67

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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.