Home / 17,176.86-23,704.65-16,389.54

Finding the Fourth Proportional to 17,176.86, 23,704.65 and 16,389.54

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Solution

The fourth proportional to 17,176.86, 23,704.65 and 16,389.54 is: 22,618.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,176.86 : 23,704.65 = 16,389.54 : x
  2. Step 2: Convert to fraction form
    17,176.86/23,704.65 = 16,389.54/x
  3. Step 3: Cross multiply
    17,176.86x = 23,704.65 × 16,389.54
  4. Step 4: Simplify right side
    17,176.86x = 388,508,309.36
  5. Step 5: Solve for x
    x = 388,508,309.36/17,176.86
  6. Step 6: Final answer
    x = 22,618.12

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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.