Home / 17,170.65-23,703.63-12,923.37

Finding the Fourth Proportional to 17,170.65, 23,703.63 and 12,923.37

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Solution

The fourth proportional to 17,170.65, 23,703.63 and 12,923.37 is: 17,840.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,170.65 : 23,703.63 = 12,923.37 : x
  2. Step 2: Convert to fraction form
    17,170.65/23,703.63 = 12,923.37/x
  3. Step 3: Cross multiply
    17,170.65x = 23,703.63 × 12,923.37
  4. Step 4: Simplify right side
    17,170.65x = 306,330,780.83
  5. Step 5: Solve for x
    x = 306,330,780.83/17,170.65
  6. Step 6: Final answer
    x = 17,840.37

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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.