Home / 14,395.10-19,865.22-8,107.52

Finding the Fourth Proportional to 14,395.10, 19,865.22 and 8,107.52

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Solution

The fourth proportional to 14,395.10, 19,865.22 and 8,107.52 is: 11,188.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,395.10 : 19,865.22 = 8,107.52 : x
  2. Step 2: Convert to fraction form
    14,395.10/19,865.22 = 8,107.52/x
  3. Step 3: Cross multiply
    14,395.10x = 19,865.22 × 8,107.52
  4. Step 4: Simplify right side
    14,395.10x = 161,057,668.45
  5. Step 5: Solve for x
    x = 161,057,668.45/14,395.10
  6. Step 6: Final answer
    x = 11,188.37

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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.