Home / 43,496.42-65,249.31-13,903.70

Finding the Fourth Proportional to 43,496.42, 65,249.31 and 13,903.70

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Solution

The fourth proportional to 43,496.42, 65,249.31 and 13,903.70 is: 20,857.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,496.42 : 65,249.31 = 13,903.70 : x
  2. Step 2: Convert to fraction form
    43,496.42/65,249.31 = 13,903.70/x
  3. Step 3: Cross multiply
    43,496.42x = 65,249.31 × 13,903.70
  4. Step 4: Simplify right side
    43,496.42x = 907,206,831.45
  5. Step 5: Solve for x
    x = 907,206,831.45/43,496.42
  6. Step 6: Final answer
    x = 20,857.05

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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.