Home / 18,554.36-27,831.18-4,703

Finding the Fourth Proportional to 18,554.36, 27,831.18 and 4,703

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Solution

The fourth proportional to 18,554.36, 27,831.18 and 4,703 is: 7,054.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,554.36 : 27,831.18 = 4,703 : x
  2. Step 2: Convert to fraction form
    18,554.36/27,831.18 = 4,703/x
  3. Step 3: Cross multiply
    18,554.36x = 27,831.18 × 4,703
  4. Step 4: Simplify right side
    18,554.36x = 130,890,039.54
  5. Step 5: Solve for x
    x = 130,890,039.54/18,554.36
  6. Step 6: Final answer
    x = 7,054.41

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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.