Home / 18,857.22-25,963.38-14,366.58

Finding the Fourth Proportional to 18,857.22, 25,963.38 and 14,366.58

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Solution

The fourth proportional to 18,857.22, 25,963.38 and 14,366.58 is: 19,780.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,857.22 : 25,963.38 = 14,366.58 : x
  2. Step 2: Convert to fraction form
    18,857.22/25,963.38 = 14,366.58/x
  3. Step 3: Cross multiply
    18,857.22x = 25,963.38 × 14,366.58
  4. Step 4: Simplify right side
    18,857.22x = 373,004,975.84
  5. Step 5: Solve for x
    x = 373,004,975.84/18,857.22
  6. Step 6: Final answer
    x = 19,780.49

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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.