Home / 33,828.60-46,683.52-18,721.90

Finding the Fourth Proportional to 33,828.60, 46,683.52 and 18,721.90

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Solution

The fourth proportional to 33,828.60, 46,683.52 and 18,721.90 is: 25,836.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,828.60 : 46,683.52 = 18,721.90 : x
  2. Step 2: Convert to fraction form
    33,828.60/46,683.52 = 18,721.90/x
  3. Step 3: Cross multiply
    33,828.60x = 46,683.52 × 18,721.90
  4. Step 4: Simplify right side
    33,828.60x = 874,004,193.09
  5. Step 5: Solve for x
    x = 874,004,193.09/33,828.60
  6. Step 6: Final answer
    x = 25,836.25

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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.