Home / 17,412.38-24,045.48-12,121.66

Finding the Fourth Proportional to 17,412.38, 24,045.48 and 12,121.66

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Solution

The fourth proportional to 17,412.38, 24,045.48 and 12,121.66 is: 16,739.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,412.38 : 24,045.48 = 12,121.66 : x
  2. Step 2: Convert to fraction form
    17,412.38/24,045.48 = 12,121.66/x
  3. Step 3: Cross multiply
    17,412.38x = 24,045.48 × 12,121.66
  4. Step 4: Simplify right side
    17,412.38x = 291,471,072.98
  5. Step 5: Solve for x
    x = 291,471,072.98/17,412.38
  6. Step 6: Final answer
    x = 16,739.31

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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.