Home / 18,578.02-25,636.89-10,193.98

Finding the Fourth Proportional to 18,578.02, 25,636.89 and 10,193.98

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Solution

The fourth proportional to 18,578.02, 25,636.89 and 10,193.98 is: 14,067.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,578.02 : 25,636.89 = 10,193.98 : x
  2. Step 2: Convert to fraction form
    18,578.02/25,636.89 = 10,193.98/x
  3. Step 3: Cross multiply
    18,578.02x = 25,636.89 × 10,193.98
  4. Step 4: Simplify right side
    18,578.02x = 261,341,943.92
  5. Step 5: Solve for x
    x = 261,341,943.92/18,578.02
  6. Step 6: Final answer
    x = 14,067.27

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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.