Home / 28,614.32-39,483.82-16,668.44

Finding the Fourth Proportional to 28,614.32, 39,483.82 and 16,668.44

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Solution

The fourth proportional to 28,614.32, 39,483.82 and 16,668.44 is: 23,000.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,614.32 : 39,483.82 = 16,668.44 : x
  2. Step 2: Convert to fraction form
    28,614.32/39,483.82 = 16,668.44/x
  3. Step 3: Cross multiply
    28,614.32x = 39,483.82 × 16,668.44
  4. Step 4: Simplify right side
    28,614.32x = 658,133,684.64
  5. Step 5: Solve for x
    x = 658,133,684.64/28,614.32
  6. Step 6: Final answer
    x = 23,000.15

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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.