Home / 17,686.35-26,507.66-8,916.48

Finding the Fourth Proportional to 17,686.35, 26,507.66 and 8,916.48

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Solution

The fourth proportional to 17,686.35, 26,507.66 and 8,916.48 is: 13,363.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,686.35 : 26,507.66 = 8,916.48 : x
  2. Step 2: Convert to fraction form
    17,686.35/26,507.66 = 8,916.48/x
  3. Step 3: Cross multiply
    17,686.35x = 26,507.66 × 8,916.48
  4. Step 4: Simplify right side
    17,686.35x = 236,354,975.65
  5. Step 5: Solve for x
    x = 236,354,975.65/17,686.35
  6. Step 6: Final answer
    x = 13,363.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.