Home / 16,958.88-25,415.28-7,703.20

Finding the Fourth Proportional to 16,958.88, 25,415.28 and 7,703.20

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Solution

The fourth proportional to 16,958.88, 25,415.28 and 7,703.20 is: 11,544.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,958.88 : 25,415.28 = 7,703.20 : x
  2. Step 2: Convert to fraction form
    16,958.88/25,415.28 = 7,703.20/x
  3. Step 3: Cross multiply
    16,958.88x = 25,415.28 × 7,703.20
  4. Step 4: Simplify right side
    16,958.88x = 195,778,984.90
  5. Step 5: Solve for x
    x = 195,778,984.90/16,958.88
  6. Step 6: Final answer
    x = 11,544.33

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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.