Home / 17,431.68-26,181.12-14,938.50

Finding the Fourth Proportional to 17,431.68, 26,181.12 and 14,938.50

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Solution

The fourth proportional to 17,431.68, 26,181.12 and 14,938.50 is: 22,436.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,431.68 : 26,181.12 = 14,938.50 : x
  2. Step 2: Convert to fraction form
    17,431.68/26,181.12 = 14,938.50/x
  3. Step 3: Cross multiply
    17,431.68x = 26,181.12 × 14,938.50
  4. Step 4: Simplify right side
    17,431.68x = 391,106,661.12
  5. Step 5: Solve for x
    x = 391,106,661.12/17,431.68
  6. Step 6: Final answer
    x = 22,436.54

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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.