Home / 13,895.17-19,176.41-7,928.62

Finding the Fourth Proportional to 13,895.17, 19,176.41 and 7,928.62

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Solution

The fourth proportional to 13,895.17, 19,176.41 and 7,928.62 is: 10,942.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,895.17 : 19,176.41 = 7,928.62 : x
  2. Step 2: Convert to fraction form
    13,895.17/19,176.41 = 7,928.62/x
  3. Step 3: Cross multiply
    13,895.17x = 19,176.41 × 7,928.62
  4. Step 4: Simplify right side
    13,895.17x = 152,042,439.73
  5. Step 5: Solve for x
    x = 152,042,439.73/13,895.17
  6. Step 6: Final answer
    x = 10,942.11

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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.