Home / 19,636.68-27,091.38-12,926.16

Finding the Fourth Proportional to 19,636.68, 27,091.38 and 12,926.16

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Solution

The fourth proportional to 19,636.68, 27,091.38 and 12,926.16 is: 17,833.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,636.68 : 27,091.38 = 12,926.16 : x
  2. Step 2: Convert to fraction form
    19,636.68/27,091.38 = 12,926.16/x
  3. Step 3: Cross multiply
    19,636.68x = 27,091.38 × 12,926.16
  4. Step 4: Simplify right side
    19,636.68x = 350,187,512.50
  5. Step 5: Solve for x
    x = 350,187,512.50/19,636.68
  6. Step 6: Final answer
    x = 17,833.34

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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.