Home / 18,322.56-25,285.62-10,256.18

Finding the Fourth Proportional to 18,322.56, 25,285.62 and 10,256.18

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Solution

The fourth proportional to 18,322.56, 25,285.62 and 10,256.18 is: 14,153.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,322.56 : 25,285.62 = 10,256.18 : x
  2. Step 2: Convert to fraction form
    18,322.56/25,285.62 = 10,256.18/x
  3. Step 3: Cross multiply
    18,322.56x = 25,285.62 × 10,256.18
  4. Step 4: Simplify right side
    18,322.56x = 259,333,761.44
  5. Step 5: Solve for x
    x = 259,333,761.44/18,322.56
  6. Step 6: Final answer
    x = 14,153.79

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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.