Home / 14,211.68-21,320.40-4,976.48

Finding the Fourth Proportional to 14,211.68, 21,320.40 and 4,976.48

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Solution

The fourth proportional to 14,211.68, 21,320.40 and 4,976.48 is: 7,465.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,211.68 : 21,320.40 = 4,976.48 : x
  2. Step 2: Convert to fraction form
    14,211.68/21,320.40 = 4,976.48/x
  3. Step 3: Cross multiply
    14,211.68x = 21,320.40 × 4,976.48
  4. Step 4: Simplify right side
    14,211.68x = 106,100,544.19
  5. Step 5: Solve for x
    x = 106,100,544.19/14,211.68
  6. Step 6: Final answer
    x = 7,465.73

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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.