Home / 17,826.51-26,731.10-8,938.02

Finding the Fourth Proportional to 17,826.51, 26,731.10 and 8,938.02

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Solution

The fourth proportional to 17,826.51, 26,731.10 and 8,938.02 is: 13,402.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,826.51 : 26,731.10 = 8,938.02 : x
  2. Step 2: Convert to fraction form
    17,826.51/26,731.10 = 8,938.02/x
  3. Step 3: Cross multiply
    17,826.51x = 26,731.10 × 8,938.02
  4. Step 4: Simplify right side
    17,826.51x = 238,923,028.53
  5. Step 5: Solve for x
    x = 238,923,028.53/17,826.51
  6. Step 6: Final answer
    x = 13,402.68

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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.