Home / 14,086.00-19,438.64-8,117.61

Finding the Fourth Proportional to 14,086.00, 19,438.64 and 8,117.61

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Solution

The fourth proportional to 14,086.00, 19,438.64 and 8,117.61 is: 11,202.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,086.00 : 19,438.64 = 8,117.61 : x
  2. Step 2: Convert to fraction form
    14,086.00/19,438.64 = 8,117.61/x
  3. Step 3: Cross multiply
    14,086.00x = 19,438.64 × 8,117.61
  4. Step 4: Simplify right side
    14,086.00x = 157,795,298.45
  5. Step 5: Solve for x
    x = 157,795,298.45/14,086.00
  6. Step 6: Final answer
    x = 11,202.28

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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.