Home / 25,842.44-35,679.08-20,167.18

Finding the Fourth Proportional to 25,842.44, 35,679.08 and 20,167.18

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Solution

The fourth proportional to 25,842.44, 35,679.08 and 20,167.18 is: 27,843.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,842.44 : 35,679.08 = 20,167.18 : x
  2. Step 2: Convert to fraction form
    25,842.44/35,679.08 = 20,167.18/x
  3. Step 3: Cross multiply
    25,842.44x = 35,679.08 × 20,167.18
  4. Step 4: Simplify right side
    25,842.44x = 719,546,389.81
  5. Step 5: Solve for x
    x = 719,546,389.81/25,842.44
  6. Step 6: Final answer
    x = 27,843.59

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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.