Home / 30,143.11-41,597.07-17,396.32

Finding the Fourth Proportional to 30,143.11, 41,597.07 and 17,396.32

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Solution

The fourth proportional to 30,143.11, 41,597.07 and 17,396.32 is: 24,006.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,143.11 : 41,597.07 = 17,396.32 : x
  2. Step 2: Convert to fraction form
    30,143.11/41,597.07 = 17,396.32/x
  3. Step 3: Cross multiply
    30,143.11x = 41,597.07 × 17,396.32
  4. Step 4: Simplify right side
    30,143.11x = 723,635,940.78
  5. Step 5: Solve for x
    x = 723,635,940.78/30,143.11
  6. Step 6: Final answer
    x = 24,006.68

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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.