Home / 19,747.19-29,630.81-11,434.77

Finding the Fourth Proportional to 19,747.19, 29,630.81 and 11,434.77

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Solution

The fourth proportional to 19,747.19, 29,630.81 and 11,434.77 is: 17,157.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,747.19 : 29,630.81 = 11,434.77 : x
  2. Step 2: Convert to fraction form
    19,747.19/29,630.81 = 11,434.77/x
  3. Step 3: Cross multiply
    19,747.19x = 29,630.81 × 11,434.77
  4. Step 4: Simplify right side
    19,747.19x = 338,821,525.85
  5. Step 5: Solve for x
    x = 338,821,525.85/19,747.19
  6. Step 6: Final answer
    x = 17,157.96

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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.