Home / 30,195.36-41,666.88-16,766.40

Finding the Fourth Proportional to 30,195.36, 41,666.88 and 16,766.40

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Solution

The fourth proportional to 30,195.36, 41,666.88 and 16,766.40 is: 23,136.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,195.36 : 41,666.88 = 16,766.40 : x
  2. Step 2: Convert to fraction form
    30,195.36/41,666.88 = 16,766.40/x
  3. Step 3: Cross multiply
    30,195.36x = 41,666.88 × 16,766.40
  4. Step 4: Simplify right side
    30,195.36x = 698,603,576.83
  5. Step 5: Solve for x
    x = 698,603,576.83/30,195.36
  6. Step 6: Final answer
    x = 23,136.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.