Home / 16,431.33-22,675.20-9,357.75

Finding the Fourth Proportional to 16,431.33, 22,675.20 and 9,357.75

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Solution

The fourth proportional to 16,431.33, 22,675.20 and 9,357.75 is: 12,913.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,431.33 : 22,675.20 = 9,357.75 : x
  2. Step 2: Convert to fraction form
    16,431.33/22,675.20 = 9,357.75/x
  3. Step 3: Cross multiply
    16,431.33x = 22,675.20 × 9,357.75
  4. Step 4: Simplify right side
    16,431.33x = 212,188,852.80
  5. Step 5: Solve for x
    x = 212,188,852.80/16,431.33
  6. Step 6: Final answer
    x = 12,913.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.