Home / 16,813.40-25,211.64-9,795.68

Finding the Fourth Proportional to 16,813.40, 25,211.64 and 9,795.68

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Solution

The fourth proportional to 16,813.40, 25,211.64 and 9,795.68 is: 14,688.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,813.40 : 25,211.64 = 9,795.68 : x
  2. Step 2: Convert to fraction form
    16,813.40/25,211.64 = 9,795.68/x
  3. Step 3: Cross multiply
    16,813.40x = 25,211.64 × 9,795.68
  4. Step 4: Simplify right side
    16,813.40x = 246,965,157.72
  5. Step 5: Solve for x
    x = 246,965,157.72/16,813.40
  6. Step 6: Final answer
    x = 14,688.59

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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.