Home / 22,969.06-34,609.87-18,900.33

Finding the Fourth Proportional to 22,969.06, 34,609.87 and 18,900.33

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Solution

The fourth proportional to 22,969.06, 34,609.87 and 18,900.33 is: 28,479.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,969.06 : 34,609.87 = 18,900.33 : x
  2. Step 2: Convert to fraction form
    22,969.06/34,609.87 = 18,900.33/x
  3. Step 3: Cross multiply
    22,969.06x = 34,609.87 × 18,900.33
  4. Step 4: Simplify right side
    22,969.06x = 654,137,964.26
  5. Step 5: Solve for x
    x = 654,137,964.26/22,969.06
  6. Step 6: Final answer
    x = 28,479.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.