Home / 17,968.36-26,953.50-5,488.76

Finding the Fourth Proportional to 17,968.36, 26,953.50 and 5,488.76

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Solution

The fourth proportional to 17,968.36, 26,953.50 and 5,488.76 is: 8,233.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,968.36 : 26,953.50 = 5,488.76 : x
  2. Step 2: Convert to fraction form
    17,968.36/26,953.50 = 5,488.76/x
  3. Step 3: Cross multiply
    17,968.36x = 26,953.50 × 5,488.76
  4. Step 4: Simplify right side
    17,968.36x = 147,941,292.66
  5. Step 5: Solve for x
    x = 147,941,292.66/17,968.36
  6. Step 6: Final answer
    x = 8,233.43

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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.