Home / 16,728.90-25,093.40-5,643.38

Finding the Fourth Proportional to 16,728.90, 25,093.40 and 5,643.38

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Solution

The fourth proportional to 16,728.90, 25,093.40 and 5,643.38 is: 8,465.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,728.90 : 25,093.40 = 5,643.38 : x
  2. Step 2: Convert to fraction form
    16,728.90/25,093.40 = 5,643.38/x
  3. Step 3: Cross multiply
    16,728.90x = 25,093.40 × 5,643.38
  4. Step 4: Simplify right side
    16,728.90x = 141,611,591.69
  5. Step 5: Solve for x
    x = 141,611,591.69/16,728.90
  6. Step 6: Final answer
    x = 8,465.09

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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.