Home / 18,326.50-25,288.42-10,260.60

Finding the Fourth Proportional to 18,326.50, 25,288.42 and 10,260.60

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Solution

The fourth proportional to 18,326.50, 25,288.42 and 10,260.60 is: 14,158.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,326.50 : 25,288.42 = 10,260.60 : x
  2. Step 2: Convert to fraction form
    18,326.50/25,288.42 = 10,260.60/x
  3. Step 3: Cross multiply
    18,326.50x = 25,288.42 × 10,260.60
  4. Step 4: Simplify right side
    18,326.50x = 259,474,362.25
  5. Step 5: Solve for x
    x = 259,474,362.25/18,326.50
  6. Step 6: Final answer
    x = 14,158.42

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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.