Home / 18,156.59-25,056.74-10,198.64

Finding the Fourth Proportional to 18,156.59, 25,056.74 and 10,198.64

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Solution

The fourth proportional to 18,156.59, 25,056.74 and 10,198.64 is: 14,074.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,156.59 : 25,056.74 = 10,198.64 : x
  2. Step 2: Convert to fraction form
    18,156.59/25,056.74 = 10,198.64/x
  3. Step 3: Cross multiply
    18,156.59x = 25,056.74 × 10,198.64
  4. Step 4: Simplify right side
    18,156.59x = 255,544,494.56
  5. Step 5: Solve for x
    x = 255,544,494.56/18,156.59
  6. Step 6: Final answer
    x = 14,074.48

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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.