Home / 26,041.40-39,009.85-11,981.84

Finding the Fourth Proportional to 26,041.40, 39,009.85 and 11,981.84

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Solution

The fourth proportional to 26,041.40, 39,009.85 and 11,981.84 is: 17,948.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,041.40 : 39,009.85 = 11,981.84 : x
  2. Step 2: Convert to fraction form
    26,041.40/39,009.85 = 11,981.84/x
  3. Step 3: Cross multiply
    26,041.40x = 39,009.85 × 11,981.84
  4. Step 4: Simplify right side
    26,041.40x = 467,409,556.12
  5. Step 5: Solve for x
    x = 467,409,556.12/26,041.40
  6. Step 6: Final answer
    x = 17,948.71

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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.