Home / 18,834.36-25,991.82-10,451.64

Finding the Fourth Proportional to 18,834.36, 25,991.82 and 10,451.64

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Solution

The fourth proportional to 18,834.36, 25,991.82 and 10,451.64 is: 14,423.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,834.36 : 25,991.82 = 10,451.64 : x
  2. Step 2: Convert to fraction form
    18,834.36/25,991.82 = 10,451.64/x
  3. Step 3: Cross multiply
    18,834.36x = 25,991.82 × 10,451.64
  4. Step 4: Simplify right side
    18,834.36x = 271,657,145.58
  5. Step 5: Solve for x
    x = 271,657,145.58/18,834.36
  6. Step 6: Final answer
    x = 14,423.49

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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.