Home / 18,817.36-25,967.76-10,319.96

Finding the Fourth Proportional to 18,817.36, 25,967.76 and 10,319.96

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Solution

The fourth proportional to 18,817.36, 25,967.76 and 10,319.96 is: 14,241.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,817.36 : 25,967.76 = 10,319.96 : x
  2. Step 2: Convert to fraction form
    18,817.36/25,967.76 = 10,319.96/x
  3. Step 3: Cross multiply
    18,817.36x = 25,967.76 × 10,319.96
  4. Step 4: Simplify right side
    18,817.36x = 267,986,244.49
  5. Step 5: Solve for x
    x = 267,986,244.49/18,817.36
  6. Step 6: Final answer
    x = 14,241.44

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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.