Home / 22,831.29-31,507.08-12,759.73

Finding the Fourth Proportional to 22,831.29, 31,507.08 and 12,759.73

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Solution

The fourth proportional to 22,831.29, 31,507.08 and 12,759.73 is: 17,608.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,831.29 : 31,507.08 = 12,759.73 : x
  2. Step 2: Convert to fraction form
    22,831.29/31,507.08 = 12,759.73/x
  3. Step 3: Cross multiply
    22,831.29x = 31,507.08 × 12,759.73
  4. Step 4: Simplify right side
    22,831.29x = 402,021,814.93
  5. Step 5: Solve for x
    x = 402,021,814.93/22,831.29
  6. Step 6: Final answer
    x = 17,608.37

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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.