Home / 33,486.98-46,212.09-18,379.74

Finding the Fourth Proportional to 33,486.98, 46,212.09 and 18,379.74

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Solution

The fourth proportional to 33,486.98, 46,212.09 and 18,379.74 is: 25,364.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,486.98 : 46,212.09 = 18,379.74 : x
  2. Step 2: Convert to fraction form
    33,486.98/46,212.09 = 18,379.74/x
  3. Step 3: Cross multiply
    33,486.98x = 46,212.09 × 18,379.74
  4. Step 4: Simplify right side
    33,486.98x = 849,366,199.06
  5. Step 5: Solve for x
    x = 849,366,199.06/33,486.98
  6. Step 6: Final answer
    x = 25,364.07

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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.