Home / 13,983.75-19,297.58-7,695.99

Finding the Fourth Proportional to 13,983.75, 19,297.58 and 7,695.99

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Solution

The fourth proportional to 13,983.75, 19,297.58 and 7,695.99 is: 10,620.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,983.75 : 19,297.58 = 7,695.99 : x
  2. Step 2: Convert to fraction form
    13,983.75/19,297.58 = 7,695.99/x
  3. Step 3: Cross multiply
    13,983.75x = 19,297.58 × 7,695.99
  4. Step 4: Simplify right side
    13,983.75x = 148,513,982.70
  5. Step 5: Solve for x
    x = 148,513,982.70/13,983.75
  6. Step 6: Final answer
    x = 10,620.47

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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.