Home / 33,821.99-46,670.35-18,712.66

Finding the Fourth Proportional to 33,821.99, 46,670.35 and 18,712.66

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Solution

The fourth proportional to 33,821.99, 46,670.35 and 18,712.66 is: 25,821.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,821.99 : 46,670.35 = 18,712.66 : x
  2. Step 2: Convert to fraction form
    33,821.99/46,670.35 = 18,712.66/x
  3. Step 3: Cross multiply
    33,821.99x = 46,670.35 × 18,712.66
  4. Step 4: Simplify right side
    33,821.99x = 873,326,391.63
  5. Step 5: Solve for x
    x = 873,326,391.63/33,821.99
  6. Step 6: Final answer
    x = 25,821.26

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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.