Home / 18,364.97-25,330.53-16,857.32

Finding the Fourth Proportional to 18,364.97, 25,330.53 and 16,857.32

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Solution

The fourth proportional to 18,364.97, 25,330.53 and 16,857.32 is: 23,251.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,364.97 : 25,330.53 = 16,857.32 : x
  2. Step 2: Convert to fraction form
    18,364.97/25,330.53 = 16,857.32/x
  3. Step 3: Cross multiply
    18,364.97x = 25,330.53 × 16,857.32
  4. Step 4: Simplify right side
    18,364.97x = 427,004,849.98
  5. Step 5: Solve for x
    x = 427,004,849.98/18,364.97
  6. Step 6: Final answer
    x = 23,251.05

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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.