Home / 17,989.11-26,983.67-4,842.81

Finding the Fourth Proportional to 17,989.11, 26,983.67 and 4,842.81

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Solution

The fourth proportional to 17,989.11, 26,983.67 and 4,842.81 is: 7,264.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,989.11 : 26,983.67 = 4,842.81 : x
  2. Step 2: Convert to fraction form
    17,989.11/26,983.67 = 4,842.81/x
  3. Step 3: Cross multiply
    17,989.11x = 26,983.67 × 4,842.81
  4. Step 4: Simplify right side
    17,989.11x = 130,676,786.91
  5. Step 5: Solve for x
    x = 130,676,786.91/17,989.11
  6. Step 6: Final answer
    x = 7,264.22

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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.