Home / 19,518.60-29,277.78-6,370.98

Finding the Fourth Proportional to 19,518.60, 29,277.78 and 6,370.98

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Solution

The fourth proportional to 19,518.60, 29,277.78 and 6,370.98 is: 9,556.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,518.60 : 29,277.78 = 6,370.98 : x
  2. Step 2: Convert to fraction form
    19,518.60/29,277.78 = 6,370.98/x
  3. Step 3: Cross multiply
    19,518.60x = 29,277.78 × 6,370.98
  4. Step 4: Simplify right side
    19,518.60x = 186,528,150.82
  5. Step 5: Solve for x
    x = 186,528,150.82/19,518.60
  6. Step 6: Final answer
    x = 9,556.43

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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.