Home / 14,550.12-21,831.66-7,623

Finding the Fourth Proportional to 14,550.12, 21,831.66 and 7,623

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Solution

The fourth proportional to 14,550.12, 21,831.66 and 7,623 is: 11,437.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,550.12 : 21,831.66 = 7,623 : x
  2. Step 2: Convert to fraction form
    14,550.12/21,831.66 = 7,623/x
  3. Step 3: Cross multiply
    14,550.12x = 21,831.66 × 7,623
  4. Step 4: Simplify right side
    14,550.12x = 166,422,744.18
  5. Step 5: Solve for x
    x = 166,422,744.18/14,550.12
  6. Step 6: Final answer
    x = 11,437.89

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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.