Home / 14,600.49-21,900.42-4,739.75

Finding the Fourth Proportional to 14,600.49, 21,900.42 and 4,739.75

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Solution

The fourth proportional to 14,600.49, 21,900.42 and 4,739.75 is: 7,109.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,600.49 : 21,900.42 = 4,739.75 : x
  2. Step 2: Convert to fraction form
    14,600.49/21,900.42 = 4,739.75/x
  3. Step 3: Cross multiply
    14,600.49x = 21,900.42 × 4,739.75
  4. Step 4: Simplify right side
    14,600.49x = 103,802,515.70
  5. Step 5: Solve for x
    x = 103,802,515.70/14,600.49
  6. Step 6: Final answer
    x = 7,109.52

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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.