Home / 18,698.67-25,792.70-12,733.02

Finding the Fourth Proportional to 18,698.67, 25,792.70 and 12,733.02

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Solution

The fourth proportional to 18,698.67, 25,792.70 and 12,733.02 is: 17,563.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,698.67 : 25,792.70 = 12,733.02 : x
  2. Step 2: Convert to fraction form
    18,698.67/25,792.70 = 12,733.02/x
  3. Step 3: Cross multiply
    18,698.67x = 25,792.70 × 12,733.02
  4. Step 4: Simplify right side
    18,698.67x = 328,418,901.29
  5. Step 5: Solve for x
    x = 328,418,901.29/18,698.67
  6. Step 6: Final answer
    x = 17,563.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.