Home / 43,559.12-65,338.44-15,857.12

Finding the Fourth Proportional to 43,559.12, 65,338.44 and 15,857.12

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Solution

The fourth proportional to 43,559.12, 65,338.44 and 15,857.12 is: 23,785.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,559.12 : 65,338.44 = 15,857.12 : x
  2. Step 2: Convert to fraction form
    43,559.12/65,338.44 = 15,857.12/x
  3. Step 3: Cross multiply
    43,559.12x = 65,338.44 × 15,857.12
  4. Step 4: Simplify right side
    43,559.12x = 1,036,079,483.69
  5. Step 5: Solve for x
    x = 1,036,079,483.69/43,559.12
  6. Step 6: Final answer
    x = 23,785.59

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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.