Home / 18,897.34-26,084.31-11,819.26

Finding the Fourth Proportional to 18,897.34, 26,084.31 and 11,819.26

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Solution

The fourth proportional to 18,897.34, 26,084.31 and 11,819.26 is: 16,314.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,897.34 : 26,084.31 = 11,819.26 : x
  2. Step 2: Convert to fraction form
    18,897.34/26,084.31 = 11,819.26/x
  3. Step 3: Cross multiply
    18,897.34x = 26,084.31 × 11,819.26
  4. Step 4: Simplify right side
    18,897.34x = 308,297,241.81
  5. Step 5: Solve for x
    x = 308,297,241.81/18,897.34
  6. Step 6: Final answer
    x = 16,314.32

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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.