Home / 18,352.60-25,330.62-12,065.56

Finding the Fourth Proportional to 18,352.60, 25,330.62 and 12,065.56

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Solution

The fourth proportional to 18,352.60, 25,330.62 and 12,065.56 is: 16,653.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,352.60 : 25,330.62 = 12,065.56 : x
  2. Step 2: Convert to fraction form
    18,352.60/25,330.62 = 12,065.56/x
  3. Step 3: Cross multiply
    18,352.60x = 25,330.62 × 12,065.56
  4. Step 4: Simplify right side
    18,352.60x = 305,628,115.45
  5. Step 5: Solve for x
    x = 305,628,115.45/18,352.60
  6. Step 6: Final answer
    x = 16,653.12

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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.