Home / 18,051.18-27,076.76-8,809.26

Finding the Fourth Proportional to 18,051.18, 27,076.76 and 8,809.26

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Solution

The fourth proportional to 18,051.18, 27,076.76 and 8,809.26 is: 13,213.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,051.18 : 27,076.76 = 8,809.26 : x
  2. Step 2: Convert to fraction form
    18,051.18/27,076.76 = 8,809.26/x
  3. Step 3: Cross multiply
    18,051.18x = 27,076.76 × 8,809.26
  4. Step 4: Simplify right side
    18,051.18x = 238,526,218.80
  5. Step 5: Solve for x
    x = 238,526,218.80/18,051.18
  6. Step 6: Final answer
    x = 13,213.89

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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.