Home / 16,911.48-25,254.87-16,728.42

Finding the Fourth Proportional to 16,911.48, 25,254.87 and 16,728.42

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Solution

The fourth proportional to 16,911.48, 25,254.87 and 16,728.42 is: 24,981.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,911.48 : 25,254.87 = 16,728.42 : x
  2. Step 2: Convert to fraction form
    16,911.48/25,254.87 = 16,728.42/x
  3. Step 3: Cross multiply
    16,911.48x = 25,254.87 × 16,728.42
  4. Step 4: Simplify right side
    16,911.48x = 422,474,072.41
  5. Step 5: Solve for x
    x = 422,474,072.41/16,911.48
  6. Step 6: Final answer
    x = 24,981.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.