Home / 17,970.13-26,953.17-4,821.49

Finding the Fourth Proportional to 17,970.13, 26,953.17 and 4,821.49

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Solution

The fourth proportional to 17,970.13, 26,953.17 and 4,821.49 is: 7,231.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,970.13 : 26,953.17 = 4,821.49 : x
  2. Step 2: Convert to fraction form
    17,970.13/26,953.17 = 4,821.49/x
  3. Step 3: Cross multiply
    17,970.13x = 26,953.17 × 4,821.49
  4. Step 4: Simplify right side
    17,970.13x = 129,954,439.62
  5. Step 5: Solve for x
    x = 129,954,439.62/17,970.13
  6. Step 6: Final answer
    x = 7,231.69

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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.