Home / 13,982.56-19,295.20-7,693.72

Finding the Fourth Proportional to 13,982.56, 19,295.20 and 7,693.72

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Solution

The fourth proportional to 13,982.56, 19,295.20 and 7,693.72 is: 10,616.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,982.56 : 19,295.20 = 7,693.72 : x
  2. Step 2: Convert to fraction form
    13,982.56/19,295.20 = 7,693.72/x
  3. Step 3: Cross multiply
    13,982.56x = 19,295.20 × 7,693.72
  4. Step 4: Simplify right side
    13,982.56x = 148,451,866.14
  5. Step 5: Solve for x
    x = 148,451,866.14/13,982.56
  6. Step 6: Final answer
    x = 10,616.93

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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.