Home / 23,930.21-33,022.40-13,172.99

Finding the Fourth Proportional to 23,930.21, 33,022.40 and 13,172.99

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Solution

The fourth proportional to 23,930.21, 33,022.40 and 13,172.99 is: 18,178.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,930.21 : 33,022.40 = 13,172.99 : x
  2. Step 2: Convert to fraction form
    23,930.21/33,022.40 = 13,172.99/x
  3. Step 3: Cross multiply
    23,930.21x = 33,022.40 × 13,172.99
  4. Step 4: Simplify right side
    23,930.21x = 435,003,744.98
  5. Step 5: Solve for x
    x = 435,003,744.98/23,930.21
  6. Step 6: Final answer
    x = 18,178.02

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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.