Home / 17,913.29-26,868.51-7,380.45

Finding the Fourth Proportional to 17,913.29, 26,868.51 and 7,380.45

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Solution

The fourth proportional to 17,913.29, 26,868.51 and 7,380.45 is: 11,070.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,913.29 : 26,868.51 = 7,380.45 : x
  2. Step 2: Convert to fraction form
    17,913.29/26,868.51 = 7,380.45/x
  3. Step 3: Cross multiply
    17,913.29x = 26,868.51 × 7,380.45
  4. Step 4: Simplify right side
    17,913.29x = 198,301,694.63
  5. Step 5: Solve for x
    x = 198,301,694.63/17,913.29
  6. Step 6: Final answer
    x = 11,070.09

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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.