Home / 14,187.24-19,576.44-7,898.40

Finding the Fourth Proportional to 14,187.24, 19,576.44 and 7,898.40

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Solution

The fourth proportional to 14,187.24, 19,576.44 and 7,898.40 is: 10,898.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,187.24 : 19,576.44 = 7,898.40 : x
  2. Step 2: Convert to fraction form
    14,187.24/19,576.44 = 7,898.40/x
  3. Step 3: Cross multiply
    14,187.24x = 19,576.44 × 7,898.40
  4. Step 4: Simplify right side
    14,187.24x = 154,622,553.70
  5. Step 5: Solve for x
    x = 154,622,553.70/14,187.24
  6. Step 6: Final answer
    x = 10,898.71

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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.