Home / 17,966.46-26,946.06-4,815.78

Finding the Fourth Proportional to 17,966.46, 26,946.06 and 4,815.78

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Solution

The fourth proportional to 17,966.46, 26,946.06 and 4,815.78 is: 7,222.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,966.46 : 26,946.06 = 4,815.78 : x
  2. Step 2: Convert to fraction form
    17,966.46/26,946.06 = 4,815.78/x
  3. Step 3: Cross multiply
    17,966.46x = 26,946.06 × 4,815.78
  4. Step 4: Simplify right side
    17,966.46x = 129,766,296.83
  5. Step 5: Solve for x
    x = 129,766,296.83/17,966.46
  6. Step 6: Final answer
    x = 7,222.70

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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.