Home / 14,229.36-19,637.64-8,262.90

Finding the Fourth Proportional to 14,229.36, 19,637.64 and 8,262.90

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Solution

The fourth proportional to 14,229.36, 19,637.64 and 8,262.90 is: 11,403.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,229.36 : 19,637.64 = 8,262.90 : x
  2. Step 2: Convert to fraction form
    14,229.36/19,637.64 = 8,262.90/x
  3. Step 3: Cross multiply
    14,229.36x = 19,637.64 × 8,262.90
  4. Step 4: Simplify right side
    14,229.36x = 162,263,855.56
  5. Step 5: Solve for x
    x = 162,263,855.56/14,229.36
  6. Step 6: Final answer
    x = 11,403.45

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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.