Home / 19,217.65-26,516.32-11,667.96

Finding the Fourth Proportional to 19,217.65, 26,516.32 and 11,667.96

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Solution

The fourth proportional to 19,217.65, 26,516.32 and 11,667.96 is: 16,099.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,217.65 : 26,516.32 = 11,667.96 : x
  2. Step 2: Convert to fraction form
    19,217.65/26,516.32 = 11,667.96/x
  3. Step 3: Cross multiply
    19,217.65x = 26,516.32 × 11,667.96
  4. Step 4: Simplify right side
    19,217.65x = 309,391,361.11
  5. Step 5: Solve for x
    x = 309,391,361.11/19,217.65
  6. Step 6: Final answer
    x = 16,099.33

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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.