Home / 19,604.94-29,407.41-7,122.64

Finding the Fourth Proportional to 19,604.94, 29,407.41 and 7,122.64

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Solution

The fourth proportional to 19,604.94, 29,407.41 and 7,122.64 is: 10,683.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,604.94 : 29,407.41 = 7,122.64 : x
  2. Step 2: Convert to fraction form
    19,604.94/29,407.41 = 7,122.64/x
  3. Step 3: Cross multiply
    19,604.94x = 29,407.41 × 7,122.64
  4. Step 4: Simplify right side
    19,604.94x = 209,458,212.11
  5. Step 5: Solve for x
    x = 209,458,212.11/19,604.94
  6. Step 6: Final answer
    x = 10,683.95

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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.