Home / 18,834.56-25,991.70-10,451.06

Finding the Fourth Proportional to 18,834.56, 25,991.70 and 10,451.06

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Solution

The fourth proportional to 18,834.56, 25,991.70 and 10,451.06 is: 14,422.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,834.56 : 25,991.70 = 10,451.06 : x
  2. Step 2: Convert to fraction form
    18,834.56/25,991.70 = 10,451.06/x
  3. Step 3: Cross multiply
    18,834.56x = 25,991.70 × 10,451.06
  4. Step 4: Simplify right side
    18,834.56x = 271,640,881.18
  5. Step 5: Solve for x
    x = 271,640,881.18/18,834.56
  6. Step 6: Final answer
    x = 14,422.47

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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.