Home / 16,878.91-25,323.83-8,114.51

Finding the Fourth Proportional to 16,878.91, 25,323.83 and 8,114.51

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Solution

The fourth proportional to 16,878.91, 25,323.83 and 8,114.51 is: 12,174.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,878.91 : 25,323.83 = 8,114.51 : x
  2. Step 2: Convert to fraction form
    16,878.91/25,323.83 = 8,114.51/x
  3. Step 3: Cross multiply
    16,878.91x = 25,323.83 × 8,114.51
  4. Step 4: Simplify right side
    16,878.91x = 205,490,471.77
  5. Step 5: Solve for x
    x = 205,490,471.77/16,878.91
  6. Step 6: Final answer
    x = 12,174.39

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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.