Home / 14,170.74-21,255.87-4,936.50

Finding the Fourth Proportional to 14,170.74, 21,255.87 and 4,936.50

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Solution

The fourth proportional to 14,170.74, 21,255.87 and 4,936.50 is: 7,404.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,170.74 : 21,255.87 = 4,936.50 : x
  2. Step 2: Convert to fraction form
    14,170.74/21,255.87 = 4,936.50/x
  3. Step 3: Cross multiply
    14,170.74x = 21,255.87 × 4,936.50
  4. Step 4: Simplify right side
    14,170.74x = 104,929,602.26
  5. Step 5: Solve for x
    x = 104,929,602.26/14,170.74
  6. Step 6: Final answer
    x = 7,404.67

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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.