Home / 17,013.92-25,455.20-16,970.16

Finding the Fourth Proportional to 17,013.92, 25,455.20 and 16,970.16

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Solution

The fourth proportional to 17,013.92, 25,455.20 and 16,970.16 is: 25,389.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,013.92 : 25,455.20 = 16,970.16 : x
  2. Step 2: Convert to fraction form
    17,013.92/25,455.20 = 16,970.16/x
  3. Step 3: Cross multiply
    17,013.92x = 25,455.20 × 16,970.16
  4. Step 4: Simplify right side
    17,013.92x = 431,978,816.83
  5. Step 5: Solve for x
    x = 431,978,816.83/17,013.92
  6. Step 6: Final answer
    x = 25,389.73

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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.