Home / 16,876.08-25,311.54-5,780.20

Finding the Fourth Proportional to 16,876.08, 25,311.54 and 5,780.20

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Solution

The fourth proportional to 16,876.08, 25,311.54 and 5,780.20 is: 8,669.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,876.08 : 25,311.54 = 5,780.20 : x
  2. Step 2: Convert to fraction form
    16,876.08/25,311.54 = 5,780.20/x
  3. Step 3: Cross multiply
    16,876.08x = 25,311.54 × 5,780.20
  4. Step 4: Simplify right side
    16,876.08x = 146,305,763.51
  5. Step 5: Solve for x
    x = 146,305,763.51/16,876.08
  6. Step 6: Final answer
    x = 8,669.42

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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.