Home / 16,887.69-25,331.81-5,200.88

Finding the Fourth Proportional to 16,887.69, 25,331.81 and 5,200.88

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Solution

The fourth proportional to 16,887.69, 25,331.81 and 5,200.88 is: 7,801.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,887.69 : 25,331.81 = 5,200.88 : x
  2. Step 2: Convert to fraction form
    16,887.69/25,331.81 = 5,200.88/x
  3. Step 3: Cross multiply
    16,887.69x = 25,331.81 × 5,200.88
  4. Step 4: Simplify right side
    16,887.69x = 131,747,551.33
  5. Step 5: Solve for x
    x = 131,747,551.33/16,887.69
  6. Step 6: Final answer
    x = 7,801.40

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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.