Home / 19,283.74-28,923.05-5,433.82

Finding the Fourth Proportional to 19,283.74, 28,923.05 and 5,433.82

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Solution

The fourth proportional to 19,283.74, 28,923.05 and 5,433.82 is: 8,150.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,283.74 : 28,923.05 = 5,433.82 : x
  2. Step 2: Convert to fraction form
    19,283.74/28,923.05 = 5,433.82/x
  3. Step 3: Cross multiply
    19,283.74x = 28,923.05 × 5,433.82
  4. Step 4: Simplify right side
    19,283.74x = 157,162,647.55
  5. Step 5: Solve for x
    x = 157,162,647.55/19,283.74
  6. Step 6: Final answer
    x = 8,150.01

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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.