Home / 33,280.07-45,926.58-18,172.85

Finding the Fourth Proportional to 33,280.07, 45,926.58 and 18,172.85

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Solution

The fourth proportional to 33,280.07, 45,926.58 and 18,172.85 is: 25,078.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,280.07 : 45,926.58 = 18,172.85 : x
  2. Step 2: Convert to fraction form
    33,280.07/45,926.58 = 18,172.85/x
  3. Step 3: Cross multiply
    33,280.07x = 45,926.58 × 18,172.85
  4. Step 4: Simplify right side
    33,280.07x = 834,616,849.35
  5. Step 5: Solve for x
    x = 834,616,849.35/33,280.07
  6. Step 6: Final answer
    x = 25,078.58

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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.