Home / 17,742.40-26,632.06-13,067.69

Finding the Fourth Proportional to 17,742.40, 26,632.06 and 13,067.69

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Solution

The fourth proportional to 17,742.40, 26,632.06 and 13,067.69 is: 19,615.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,742.40 : 26,632.06 = 13,067.69 : x
  2. Step 2: Convert to fraction form
    17,742.40/26,632.06 = 13,067.69/x
  3. Step 3: Cross multiply
    17,742.40x = 26,632.06 × 13,067.69
  4. Step 4: Simplify right side
    17,742.40x = 348,019,338.31
  5. Step 5: Solve for x
    x = 348,019,338.31/17,742.40
  6. Step 6: Final answer
    x = 19,615.12

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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.