Home / 13,795.38-19,035-8,760.42

Finding the Fourth Proportional to 13,795.38, 19,035 and 8,760.42

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Solution

The fourth proportional to 13,795.38, 19,035 and 8,760.42 is: 12,087.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,795.38 : 19,035 = 8,760.42 : x
  2. Step 2: Convert to fraction form
    13,795.38/19,035 = 8,760.42/x
  3. Step 3: Cross multiply
    13,795.38x = 19,035 × 8,760.42
  4. Step 4: Simplify right side
    13,795.38x = 166,754,594.70
  5. Step 5: Solve for x
    x = 166,754,594.70/13,795.38
  6. Step 6: Final answer
    x = 12,087.71

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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.