Home / 19,112.79-28,636.82-11,701.77

Finding the Fourth Proportional to 19,112.79, 28,636.82 and 11,701.77

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Solution

The fourth proportional to 19,112.79, 28,636.82 and 11,701.77 is: 17,532.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,112.79 : 28,636.82 = 11,701.77 : x
  2. Step 2: Convert to fraction form
    19,112.79/28,636.82 = 11,701.77/x
  3. Step 3: Cross multiply
    19,112.79x = 28,636.82 × 11,701.77
  4. Step 4: Simplify right side
    19,112.79x = 335,101,326.24
  5. Step 5: Solve for x
    x = 335,101,326.24/19,112.79
  6. Step 6: Final answer
    x = 17,532.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.