Home / 16,876.30-25,314.67-5,189.51

Finding the Fourth Proportional to 16,876.30, 25,314.67 and 5,189.51

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Solution

The fourth proportional to 16,876.30, 25,314.67 and 5,189.51 is: 7,784.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,876.30 : 25,314.67 = 5,189.51 : x
  2. Step 2: Convert to fraction form
    16,876.30/25,314.67 = 5,189.51/x
  3. Step 3: Cross multiply
    16,876.30x = 25,314.67 × 5,189.51
  4. Step 4: Simplify right side
    16,876.30x = 131,370,733.11
  5. Step 5: Solve for x
    x = 131,370,733.11/16,876.30
  6. Step 6: Final answer
    x = 7,784.33

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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.