Home / 18,157.37-25,055.93-10,199.39

Finding the Fourth Proportional to 18,157.37, 25,055.93 and 10,199.39

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Solution

The fourth proportional to 18,157.37, 25,055.93 and 10,199.39 is: 14,074.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,157.37 : 25,055.93 = 10,199.39 : x
  2. Step 2: Convert to fraction form
    18,157.37/25,055.93 = 10,199.39/x
  3. Step 3: Cross multiply
    18,157.37x = 25,055.93 × 10,199.39
  4. Step 4: Simplify right side
    18,157.37x = 255,555,102.10
  5. Step 5: Solve for x
    x = 255,555,102.10/18,157.37
  6. Step 6: Final answer
    x = 14,074.46

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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.