Home / 18,668.18-25,761.35-10,170.16

Finding the Fourth Proportional to 18,668.18, 25,761.35 and 10,170.16

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Solution

The fourth proportional to 18,668.18, 25,761.35 and 10,170.16 is: 14,034.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,668.18 : 25,761.35 = 10,170.16 : x
  2. Step 2: Convert to fraction form
    18,668.18/25,761.35 = 10,170.16/x
  3. Step 3: Cross multiply
    18,668.18x = 25,761.35 × 10,170.16
  4. Step 4: Simplify right side
    18,668.18x = 261,997,012.34
  5. Step 5: Solve for x
    x = 261,997,012.34/18,668.18
  6. Step 6: Final answer
    x = 14,034.41

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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.