Home / 18,136.73-25,028.72-10,178.97

Finding the Fourth Proportional to 18,136.73, 25,028.72 and 10,178.97

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Solution

The fourth proportional to 18,136.73, 25,028.72 and 10,178.97 is: 14,047.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,136.73 : 25,028.72 = 10,178.97 : x
  2. Step 2: Convert to fraction form
    18,136.73/25,028.72 = 10,178.97/x
  3. Step 3: Cross multiply
    18,136.73x = 25,028.72 × 10,178.97
  4. Step 4: Simplify right side
    18,136.73x = 254,766,590.02
  5. Step 5: Solve for x
    x = 254,766,590.02/18,136.73
  6. Step 6: Final answer
    x = 14,047.00

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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.