Home / 13,830.82-19,080.45-9,352.96

Finding the Fourth Proportional to 13,830.82, 19,080.45 and 9,352.96

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Solution

The fourth proportional to 13,830.82, 19,080.45 and 9,352.96 is: 12,902.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,830.82 : 19,080.45 = 9,352.96 : x
  2. Step 2: Convert to fraction form
    13,830.82/19,080.45 = 9,352.96/x
  3. Step 3: Cross multiply
    13,830.82x = 19,080.45 × 9,352.96
  4. Step 4: Simplify right side
    13,830.82x = 178,458,685.63
  5. Step 5: Solve for x
    x = 178,458,685.63/13,830.82
  6. Step 6: Final answer
    x = 12,902.97

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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.