Home / 19,538.30-29,323.20-11,109.98

Finding the Fourth Proportional to 19,538.30, 29,323.20 and 11,109.98

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Solution

The fourth proportional to 19,538.30, 29,323.20 and 11,109.98 is: 16,673.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,538.30 : 29,323.20 = 11,109.98 : x
  2. Step 2: Convert to fraction form
    19,538.30/29,323.20 = 11,109.98/x
  3. Step 3: Cross multiply
    19,538.30x = 29,323.20 × 11,109.98
  4. Step 4: Simplify right side
    19,538.30x = 325,780,165.54
  5. Step 5: Solve for x
    x = 325,780,165.54/19,538.30
  6. Step 6: Final answer
    x = 16,673.93

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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.