Home / 43,831.88-65,758.86-12,666.92

Finding the Fourth Proportional to 43,831.88, 65,758.86 and 12,666.92

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Solution

The fourth proportional to 43,831.88, 65,758.86 and 12,666.92 is: 19,003.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,831.88 : 65,758.86 = 12,666.92 : x
  2. Step 2: Convert to fraction form
    43,831.88/65,758.86 = 12,666.92/x
  3. Step 3: Cross multiply
    43,831.88x = 65,758.86 × 12,666.92
  4. Step 4: Simplify right side
    43,831.88x = 832,962,218.91
  5. Step 5: Solve for x
    x = 832,962,218.91/43,831.88
  6. Step 6: Final answer
    x = 19,003.57

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1.5x scale

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.