Home / 26,005.10-39,007.44-13,518.68

Finding the Fourth Proportional to 26,005.10, 39,007.44 and 13,518.68

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Solution

The fourth proportional to 26,005.10, 39,007.44 and 13,518.68 is: 20,277.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,005.10 : 39,007.44 = 13,518.68 : x
  2. Step 2: Convert to fraction form
    26,005.10/39,007.44 = 13,518.68/x
  3. Step 3: Cross multiply
    26,005.10x = 39,007.44 × 13,518.68
  4. Step 4: Simplify right side
    26,005.10x = 527,328,903.94
  5. Step 5: Solve for x
    x = 527,328,903.94/26,005.10
  6. Step 6: Final answer
    x = 20,277.91

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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.