Home / 18,365.58-25,345.12-10,299.56

Finding the Fourth Proportional to 18,365.58, 25,345.12 and 10,299.56

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Solution

The fourth proportional to 18,365.58, 25,345.12 and 10,299.56 is: 14,213.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,365.58 : 25,345.12 = 10,299.56 : x
  2. Step 2: Convert to fraction form
    18,365.58/25,345.12 = 10,299.56/x
  3. Step 3: Cross multiply
    18,365.58x = 25,345.12 × 10,299.56
  4. Step 4: Simplify right side
    18,365.58x = 261,043,584.15
  5. Step 5: Solve for x
    x = 261,043,584.15/18,365.58
  6. Step 6: Final answer
    x = 14,213.74

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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.