Home / 17,945.55-24,739.19-12,623.85

Finding the Fourth Proportional to 17,945.55, 24,739.19 and 12,623.85

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Solution

The fourth proportional to 17,945.55, 24,739.19 and 12,623.85 is: 17,402.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,945.55 : 24,739.19 = 12,623.85 : x
  2. Step 2: Convert to fraction form
    17,945.55/24,739.19 = 12,623.85/x
  3. Step 3: Cross multiply
    17,945.55x = 24,739.19 × 12,623.85
  4. Step 4: Simplify right side
    17,945.55x = 312,303,807.90
  5. Step 5: Solve for x
    x = 312,303,807.90/17,945.55
  6. Step 6: Final answer
    x = 17,402.86

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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.