Home / 43,358.14-65,041.55-11,768.72

Finding the Fourth Proportional to 43,358.14, 65,041.55 and 11,768.72

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Solution

The fourth proportional to 43,358.14, 65,041.55 and 11,768.72 is: 17,654.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,358.14 : 65,041.55 = 11,768.72 : x
  2. Step 2: Convert to fraction form
    43,358.14/65,041.55 = 11,768.72/x
  3. Step 3: Cross multiply
    43,358.14x = 65,041.55 × 11,768.72
  4. Step 4: Simplify right side
    43,358.14x = 765,455,633.33
  5. Step 5: Solve for x
    x = 765,455,633.33/43,358.14
  6. Step 6: Final answer
    x = 17,654.25

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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.