Home / 28,650.99-42,975.53-11,783.42

Finding the Fourth Proportional to 28,650.99, 42,975.53 and 11,783.42

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Solution

The fourth proportional to 28,650.99, 42,975.53 and 11,783.42 is: 17,674.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,650.99 : 42,975.53 = 11,783.42 : x
  2. Step 2: Convert to fraction form
    28,650.99/42,975.53 = 11,783.42/x
  3. Step 3: Cross multiply
    28,650.99x = 42,975.53 × 11,783.42
  4. Step 4: Simplify right side
    28,650.99x = 506,398,504.83
  5. Step 5: Solve for x
    x = 506,398,504.83/28,650.99
  6. Step 6: Final answer
    x = 17,674.73

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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.