Home / 18,173.09-27,259.63-5,693.21

Finding the Fourth Proportional to 18,173.09, 27,259.63 and 5,693.21

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Solution

The fourth proportional to 18,173.09, 27,259.63 and 5,693.21 is: 8,539.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,173.09 : 27,259.63 = 5,693.21 : x
  2. Step 2: Convert to fraction form
    18,173.09/27,259.63 = 5,693.21/x
  3. Step 3: Cross multiply
    18,173.09x = 27,259.63 × 5,693.21
  4. Step 4: Simplify right side
    18,173.09x = 155,194,852.03
  5. Step 5: Solve for x
    x = 155,194,852.03/18,173.09
  6. Step 6: Final answer
    x = 8,539.82

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Similar ratio
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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.