Home / 33,686.04-46,486.80-18,578.28

Finding the Fourth Proportional to 33,686.04, 46,486.80 and 18,578.28

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Solution

The fourth proportional to 33,686.04, 46,486.80 and 18,578.28 is: 25,638.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,686.04 : 46,486.80 = 18,578.28 : x
  2. Step 2: Convert to fraction form
    33,686.04/46,486.80 = 18,578.28/x
  3. Step 3: Cross multiply
    33,686.04x = 46,486.80 × 18,578.28
  4. Step 4: Simplify right side
    33,686.04x = 863,644,786.70
  5. Step 5: Solve for x
    x = 863,644,786.70/33,686.04
  6. Step 6: Final answer
    x = 25,638.06

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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.