Home / 16,811.40-25,208.64-9,793.68

Finding the Fourth Proportional to 16,811.40, 25,208.64 and 9,793.68

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Solution

The fourth proportional to 16,811.40, 25,208.64 and 9,793.68 is: 14,685.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,811.40 : 25,208.64 = 9,793.68 : x
  2. Step 2: Convert to fraction form
    16,811.40/25,208.64 = 9,793.68/x
  3. Step 3: Cross multiply
    16,811.40x = 25,208.64 × 9,793.68
  4. Step 4: Simplify right side
    16,811.40x = 246,885,353.40
  5. Step 5: Solve for x
    x = 246,885,353.40/16,811.40
  6. Step 6: Final answer
    x = 14,685.59

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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.