Home / 33,247.60-45,880.80-18,140.25

Finding the Fourth Proportional to 33,247.60, 45,880.80 and 18,140.25

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Solution

The fourth proportional to 33,247.60, 45,880.80 and 18,140.25 is: 25,033.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,247.60 : 45,880.80 = 18,140.25 : x
  2. Step 2: Convert to fraction form
    33,247.60/45,880.80 = 18,140.25/x
  3. Step 3: Cross multiply
    33,247.60x = 45,880.80 × 18,140.25
  4. Step 4: Simplify right side
    33,247.60x = 832,289,286.23
  5. Step 5: Solve for x
    x = 832,289,286.23/33,247.60
  6. Step 6: Final answer
    x = 25,033.07

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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.