Home / 26,544.78-39,841.81-13,406.38

Finding the Fourth Proportional to 26,544.78, 39,841.81 and 13,406.38

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Solution

The fourth proportional to 26,544.78, 39,841.81 and 13,406.38 is: 20,122.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,544.78 : 39,841.81 = 13,406.38 : x
  2. Step 2: Convert to fraction form
    26,544.78/39,841.81 = 13,406.38/x
  3. Step 3: Cross multiply
    26,544.78x = 39,841.81 × 13,406.38
  4. Step 4: Simplify right side
    26,544.78x = 534,134,311.63
  5. Step 5: Solve for x
    x = 534,134,311.63/26,544.78
  6. Step 6: Final answer
    x = 20,122.01

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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.