Home / 17,428.33-26,138.57-4,948.10

Finding the Fourth Proportional to 17,428.33, 26,138.57 and 4,948.10

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Solution

The fourth proportional to 17,428.33, 26,138.57 and 4,948.10 is: 7,421.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,428.33 : 26,138.57 = 4,948.10 : x
  2. Step 2: Convert to fraction form
    17,428.33/26,138.57 = 4,948.10/x
  3. Step 3: Cross multiply
    17,428.33x = 26,138.57 × 4,948.10
  4. Step 4: Simplify right side
    17,428.33x = 129,336,102.78
  5. Step 5: Solve for x
    x = 129,336,102.78/17,428.33
  6. Step 6: Final answer
    x = 7,421.03

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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.