Home / 16,795.76-25,186.35-9,782.78

Finding the Fourth Proportional to 16,795.76, 25,186.35 and 9,782.78

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Solution

The fourth proportional to 16,795.76, 25,186.35 and 9,782.78 is: 14,669.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,795.76 : 25,186.35 = 9,782.78 : x
  2. Step 2: Convert to fraction form
    16,795.76/25,186.35 = 9,782.78/x
  3. Step 3: Cross multiply
    16,795.76x = 25,186.35 × 9,782.78
  4. Step 4: Simplify right side
    16,795.76x = 246,392,521.05
  5. Step 5: Solve for x
    x = 246,392,521.05/16,795.76
  6. Step 6: Final answer
    x = 14,669.92

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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.