Home / 26,005.11-39,007.44-13,518.69

Finding the Fourth Proportional to 26,005.11, 39,007.44 and 13,518.69

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Solution

The fourth proportional to 26,005.11, 39,007.44 and 13,518.69 is: 20,277.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,005.11 : 39,007.44 = 13,518.69 : x
  2. Step 2: Convert to fraction form
    26,005.11/39,007.44 = 13,518.69/x
  3. Step 3: Cross multiply
    26,005.11x = 39,007.44 × 13,518.69
  4. Step 4: Simplify right side
    26,005.11x = 527,329,489.05
  5. Step 5: Solve for x
    x = 527,329,489.05/26,005.11
  6. Step 6: Final answer
    x = 20,277.92

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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.