Home / 13,369.86-20,057.22-7,529.76

Finding the Fourth Proportional to 13,369.86, 20,057.22 and 7,529.76

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Solution

The fourth proportional to 13,369.86, 20,057.22 and 7,529.76 is: 11,296.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,369.86 : 20,057.22 = 7,529.76 : x
  2. Step 2: Convert to fraction form
    13,369.86/20,057.22 = 7,529.76/x
  3. Step 3: Cross multiply
    13,369.86x = 20,057.22 × 7,529.76
  4. Step 4: Simplify right side
    13,369.86x = 151,026,052.87
  5. Step 5: Solve for x
    x = 151,026,052.87/13,369.86
  6. Step 6: Final answer
    x = 11,296.01

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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.