Home / 19,616.23-29,426.37-8,519.77

Finding the Fourth Proportional to 19,616.23, 29,426.37 and 8,519.77

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Solution

The fourth proportional to 19,616.23, 29,426.37 and 8,519.77 is: 12,780.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,616.23 : 29,426.37 = 8,519.77 : x
  2. Step 2: Convert to fraction form
    19,616.23/29,426.37 = 8,519.77/x
  3. Step 3: Cross multiply
    19,616.23x = 29,426.37 × 8,519.77
  4. Step 4: Simplify right side
    19,616.23x = 250,705,904.33
  5. Step 5: Solve for x
    x = 250,705,904.33/19,616.23
  6. Step 6: Final answer
    x = 12,780.53

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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.