Home / 19,556.10-29,336.94-6,405.66

Finding the Fourth Proportional to 19,556.10, 29,336.94 and 6,405.66

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Solution

The fourth proportional to 19,556.10, 29,336.94 and 6,405.66 is: 9,609.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,556.10 : 29,336.94 = 6,405.66 : x
  2. Step 2: Convert to fraction form
    19,556.10/29,336.94 = 6,405.66/x
  3. Step 3: Cross multiply
    19,556.10x = 29,336.94 × 6,405.66
  4. Step 4: Simplify right side
    19,556.10x = 187,922,463.08
  5. Step 5: Solve for x
    x = 187,922,463.08/19,556.10
  6. Step 6: Final answer
    x = 9,609.40

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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.