Home / 18,158.37-25,057.11-10,200.33

Finding the Fourth Proportional to 18,158.37, 25,057.11 and 10,200.33

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Solution

The fourth proportional to 18,158.37, 25,057.11 and 10,200.33 is: 14,075.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,158.37 : 25,057.11 = 10,200.33 : x
  2. Step 2: Convert to fraction form
    18,158.37/25,057.11 = 10,200.33/x
  3. Step 3: Cross multiply
    18,158.37x = 25,057.11 × 10,200.33
  4. Step 4: Simplify right side
    18,158.37x = 255,590,790.85
  5. Step 5: Solve for x
    x = 255,590,790.85/18,158.37
  6. Step 6: Final answer
    x = 14,075.65

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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.