Home / 14,370.75-19,831.31-7,997.09

Finding the Fourth Proportional to 14,370.75, 19,831.31 and 7,997.09

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Solution

The fourth proportional to 14,370.75, 19,831.31 and 7,997.09 is: 11,035.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,370.75 : 19,831.31 = 7,997.09 : x
  2. Step 2: Convert to fraction form
    14,370.75/19,831.31 = 7,997.09/x
  3. Step 3: Cross multiply
    14,370.75x = 19,831.31 × 7,997.09
  4. Step 4: Simplify right side
    14,370.75x = 158,592,770.89
  5. Step 5: Solve for x
    x = 158,592,770.89/14,370.75
  6. Step 6: Final answer
    x = 11,035.81

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1.5x scale

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.