Home / 18,863.83-26,033.85-10,905.58

Finding the Fourth Proportional to 18,863.83, 26,033.85 and 10,905.58

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Solution

The fourth proportional to 18,863.83, 26,033.85 and 10,905.58 is: 15,050.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,863.83 : 26,033.85 = 10,905.58 : x
  2. Step 2: Convert to fraction form
    18,863.83/26,033.85 = 10,905.58/x
  3. Step 3: Cross multiply
    18,863.83x = 26,033.85 × 10,905.58
  4. Step 4: Simplify right side
    18,863.83x = 283,914,233.88
  5. Step 5: Solve for x
    x = 283,914,233.88/18,863.83
  6. Step 6: Final answer
    x = 15,050.72

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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.