Home / 26,028.76-39,043.14-12,187.48

Finding the Fourth Proportional to 26,028.76, 39,043.14 and 12,187.48

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Solution

The fourth proportional to 26,028.76, 39,043.14 and 12,187.48 is: 18,281.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,028.76 : 39,043.14 = 12,187.48 : x
  2. Step 2: Convert to fraction form
    26,028.76/39,043.14 = 12,187.48/x
  3. Step 3: Cross multiply
    26,028.76x = 39,043.14 × 12,187.48
  4. Step 4: Simplify right side
    26,028.76x = 475,837,487.89
  5. Step 5: Solve for x
    x = 475,837,487.89/26,028.76
  6. Step 6: Final answer
    x = 18,281.22

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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.