Home / 19,634.69-27,085.55-11,671.25

Finding the Fourth Proportional to 19,634.69, 27,085.55 and 11,671.25

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Solution

The fourth proportional to 19,634.69, 27,085.55 and 11,671.25 is: 16,100.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,634.69 : 27,085.55 = 11,671.25 : x
  2. Step 2: Convert to fraction form
    19,634.69/27,085.55 = 11,671.25/x
  3. Step 3: Cross multiply
    19,634.69x = 27,085.55 × 11,671.25
  4. Step 4: Simplify right side
    19,634.69x = 316,122,167.08
  5. Step 5: Solve for x
    x = 316,122,167.08/19,634.69
  6. Step 6: Final answer
    x = 16,100.19

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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.