Home / 19,199.27-28,749.09-16,443.65

Finding the Fourth Proportional to 19,199.27, 28,749.09 and 16,443.65

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Solution

The fourth proportional to 19,199.27, 28,749.09 and 16,443.65 is: 24,622.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,199.27 : 28,749.09 = 16,443.65 : x
  2. Step 2: Convert to fraction form
    19,199.27/28,749.09 = 16,443.65/x
  3. Step 3: Cross multiply
    19,199.27x = 28,749.09 × 16,443.65
  4. Step 4: Simplify right side
    19,199.27x = 472,739,973.78
  5. Step 5: Solve for x
    x = 472,739,973.78/19,199.27
  6. Step 6: Final answer
    x = 24,622.81

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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.