Home / 18,116.28-25,002.18-10,161.18

Finding the Fourth Proportional to 18,116.28, 25,002.18 and 10,161.18

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Solution

The fourth proportional to 18,116.28, 25,002.18 and 10,161.18 is: 14,023.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,116.28 : 25,002.18 = 10,161.18 : x
  2. Step 2: Convert to fraction form
    18,116.28/25,002.18 = 10,161.18/x
  3. Step 3: Cross multiply
    18,116.28x = 25,002.18 × 10,161.18
  4. Step 4: Simplify right side
    18,116.28x = 254,051,651.37
  5. Step 5: Solve for x
    x = 254,051,651.37/18,116.28
  6. Step 6: Final answer
    x = 14,023.39

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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.