Home / 26,113.60-39,172.56-7,393.68

Finding the Fourth Proportional to 26,113.60, 39,172.56 and 7,393.68

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Solution

The fourth proportional to 26,113.60, 39,172.56 and 7,393.68 is: 11,091.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,113.60 : 39,172.56 = 7,393.68 : x
  2. Step 2: Convert to fraction form
    26,113.60/39,172.56 = 7,393.68/x
  3. Step 3: Cross multiply
    26,113.60x = 39,172.56 × 7,393.68
  4. Step 4: Simplify right side
    26,113.60x = 289,629,373.42
  5. Step 5: Solve for x
    x = 289,629,373.42/26,113.60
  6. Step 6: Final answer
    x = 11,091.13

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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.