Home / 16,828.10-25,243.35-5,141.30

Finding the Fourth Proportional to 16,828.10, 25,243.35 and 5,141.30

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Solution

The fourth proportional to 16,828.10, 25,243.35 and 5,141.30 is: 7,712.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,828.10 : 25,243.35 = 5,141.30 : x
  2. Step 2: Convert to fraction form
    16,828.10/25,243.35 = 5,141.30/x
  3. Step 3: Cross multiply
    16,828.10x = 25,243.35 × 5,141.30
  4. Step 4: Simplify right side
    16,828.10x = 129,783,635.36
  5. Step 5: Solve for x
    x = 129,783,635.36/16,828.10
  6. Step 6: Final answer
    x = 7,712.32

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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.