Home / 19,045.77-28,552.23-9,191.97

Finding the Fourth Proportional to 19,045.77, 28,552.23 and 9,191.97

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Solution

The fourth proportional to 19,045.77, 28,552.23 and 9,191.97 is: 13,780.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,045.77 : 28,552.23 = 9,191.97 : x
  2. Step 2: Convert to fraction form
    19,045.77/28,552.23 = 9,191.97/x
  3. Step 3: Cross multiply
    19,045.77x = 28,552.23 × 9,191.97
  4. Step 4: Simplify right side
    19,045.77x = 262,451,241.59
  5. Step 5: Solve for x
    x = 262,451,241.59/19,045.77
  6. Step 6: Final answer
    x = 13,780.03

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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.