Home / 13,733.82-18,942.66-8,698.86

Finding the Fourth Proportional to 13,733.82, 18,942.66 and 8,698.86

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Solution

The fourth proportional to 13,733.82, 18,942.66 and 8,698.86 is: 11,998.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,733.82 : 18,942.66 = 8,698.86 : x
  2. Step 2: Convert to fraction form
    13,733.82/18,942.66 = 8,698.86/x
  3. Step 3: Cross multiply
    13,733.82x = 18,942.66 × 8,698.86
  4. Step 4: Simplify right side
    13,733.82x = 164,779,547.37
  5. Step 5: Solve for x
    x = 164,779,547.37/13,733.82
  6. Step 6: Final answer
    x = 11,998.09

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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.