Home / 17,730.36-26,599.42-5,251.35

Finding the Fourth Proportional to 17,730.36, 26,599.42 and 5,251.35

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Solution

The fourth proportional to 17,730.36, 26,599.42 and 5,251.35 is: 7,878.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,730.36 : 26,599.42 = 5,251.35 : x
  2. Step 2: Convert to fraction form
    17,730.36/26,599.42 = 5,251.35/x
  3. Step 3: Cross multiply
    17,730.36x = 26,599.42 × 5,251.35
  4. Step 4: Simplify right side
    17,730.36x = 139,682,864.22
  5. Step 5: Solve for x
    x = 139,682,864.22/17,730.36
  6. Step 6: Final answer
    x = 7,878.17

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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.