Home / 26,120.51-39,180.66-9,480.51

Finding the Fourth Proportional to 26,120.51, 39,180.66 and 9,480.51

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Solution

The fourth proportional to 26,120.51, 39,180.66 and 9,480.51 is: 14,220.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,120.51 : 39,180.66 = 9,480.51 : x
  2. Step 2: Convert to fraction form
    26,120.51/39,180.66 = 9,480.51/x
  3. Step 3: Cross multiply
    26,120.51x = 39,180.66 × 9,480.51
  4. Step 4: Simplify right side
    26,120.51x = 371,452,638.94
  5. Step 5: Solve for x
    x = 371,452,638.94/26,120.51
  6. Step 6: Final answer
    x = 14,220.73

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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.