Home / 14,918.61-22,357.74-5,679.57

Finding the Fourth Proportional to 14,918.61, 22,357.74 and 5,679.57

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Solution

The fourth proportional to 14,918.61, 22,357.74 and 5,679.57 is: 8,511.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,918.61 : 22,357.74 = 5,679.57 : x
  2. Step 2: Convert to fraction form
    14,918.61/22,357.74 = 5,679.57/x
  3. Step 3: Cross multiply
    14,918.61x = 22,357.74 × 5,679.57
  4. Step 4: Simplify right side
    14,918.61x = 126,982,349.37
  5. Step 5: Solve for x
    x = 126,982,349.37/14,918.61
  6. Step 6: Final answer
    x = 8,511.67

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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.