Home / 13,974.63-19,285.12-7,601.29

Finding the Fourth Proportional to 13,974.63, 19,285.12 and 7,601.29

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Solution

The fourth proportional to 13,974.63, 19,285.12 and 7,601.29 is: 10,489.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,974.63 : 19,285.12 = 7,601.29 : x
  2. Step 2: Convert to fraction form
    13,974.63/19,285.12 = 7,601.29/x
  3. Step 3: Cross multiply
    13,974.63x = 19,285.12 × 7,601.29
  4. Step 4: Simplify right side
    13,974.63x = 146,591,693.38
  5. Step 5: Solve for x
    x = 146,591,693.38/13,974.63
  6. Step 6: Final answer
    x = 10,489.84

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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.