Home / 18,897.22-28,313.06-11,486.12

Finding the Fourth Proportional to 18,897.22, 28,313.06 and 11,486.12

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Solution

The fourth proportional to 18,897.22, 28,313.06 and 11,486.12 is: 17,209.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,897.22 : 28,313.06 = 11,486.12 : x
  2. Step 2: Convert to fraction form
    18,897.22/28,313.06 = 11,486.12/x
  3. Step 3: Cross multiply
    18,897.22x = 28,313.06 × 11,486.12
  4. Step 4: Simplify right side
    18,897.22x = 325,207,204.73
  5. Step 5: Solve for x
    x = 325,207,204.73/18,897.22
  6. Step 6: Final answer
    x = 17,209.26

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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.