Home / 18,856.46-26,202.29-18,651.40

Finding the Fourth Proportional to 18,856.46, 26,202.29 and 18,651.40

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Solution

The fourth proportional to 18,856.46, 26,202.29 and 18,651.40 is: 25,917.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,856.46 : 26,202.29 = 18,651.40 : x
  2. Step 2: Convert to fraction form
    18,856.46/26,202.29 = 18,651.40/x
  3. Step 3: Cross multiply
    18,856.46x = 26,202.29 × 18,651.40
  4. Step 4: Simplify right side
    18,856.46x = 488,709,232.94
  5. Step 5: Solve for x
    x = 488,709,232.94/18,856.46
  6. Step 6: Final answer
    x = 25,917.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.