Home / 26,897.05-40,318.34-13,529.66

Finding the Fourth Proportional to 26,897.05, 40,318.34 and 13,529.66

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Solution

The fourth proportional to 26,897.05, 40,318.34 and 13,529.66 is: 20,280.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,897.05 : 40,318.34 = 13,529.66 : x
  2. Step 2: Convert to fraction form
    26,897.05/40,318.34 = 13,529.66/x
  3. Step 3: Cross multiply
    26,897.05x = 40,318.34 × 13,529.66
  4. Step 4: Simplify right side
    26,897.05x = 545,493,431.96
  5. Step 5: Solve for x
    x = 545,493,431.96/26,897.05
  6. Step 6: Final answer
    x = 20,280.79

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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.