Home / 18,396.10-25,385.37-10,012.42

Finding the Fourth Proportional to 18,396.10, 25,385.37 and 10,012.42

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Solution

The fourth proportional to 18,396.10, 25,385.37 and 10,012.42 is: 13,816.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,396.10 : 25,385.37 = 10,012.42 : x
  2. Step 2: Convert to fraction form
    18,396.10/25,385.37 = 10,012.42/x
  3. Step 3: Cross multiply
    18,396.10x = 25,385.37 × 10,012.42
  4. Step 4: Simplify right side
    18,396.10x = 254,168,986.30
  5. Step 5: Solve for x
    x = 254,168,986.30/18,396.10
  6. Step 6: Final answer
    x = 13,816.46

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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.