Home / 14,119.49-21,180.27-4,759.46

Finding the Fourth Proportional to 14,119.49, 21,180.27 and 4,759.46

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Solution

The fourth proportional to 14,119.49, 21,180.27 and 4,759.46 is: 7,139.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,119.49 : 21,180.27 = 4,759.46 : x
  2. Step 2: Convert to fraction form
    14,119.49/21,180.27 = 4,759.46/x
  3. Step 3: Cross multiply
    14,119.49x = 21,180.27 × 4,759.46
  4. Step 4: Simplify right side
    14,119.49x = 100,806,647.85
  5. Step 5: Solve for x
    x = 100,806,647.85/14,119.49
  6. Step 6: Final answer
    x = 7,139.54

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1.5x scale

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.