Home / 18,225.41-25,150.79-10,268.39

Finding the Fourth Proportional to 18,225.41, 25,150.79 and 10,268.39

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Solution

The fourth proportional to 18,225.41, 25,150.79 and 10,268.39 is: 14,170.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,225.41 : 25,150.79 = 10,268.39 : x
  2. Step 2: Convert to fraction form
    18,225.41/25,150.79 = 10,268.39/x
  3. Step 3: Cross multiply
    18,225.41x = 25,150.79 × 10,268.39
  4. Step 4: Simplify right side
    18,225.41x = 258,258,069.19
  5. Step 5: Solve for x
    x = 258,258,069.19/18,225.41
  6. Step 6: Final answer
    x = 14,170.22

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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.