Home / 18,949.02-28,452.69-16,888.38

Finding the Fourth Proportional to 18,949.02, 28,452.69 and 16,888.38

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Solution

The fourth proportional to 18,949.02, 28,452.69 and 16,888.38 is: 25,358.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,949.02 : 28,452.69 = 16,888.38 : x
  2. Step 2: Convert to fraction form
    18,949.02/28,452.69 = 16,888.38/x
  3. Step 3: Cross multiply
    18,949.02x = 28,452.69 × 16,888.38
  4. Step 4: Simplify right side
    18,949.02x = 480,519,840.74
  5. Step 5: Solve for x
    x = 480,519,840.74/18,949.02
  6. Step 6: Final answer
    x = 25,358.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.