Home / 13,499.36-20,247.92-5,708.32

Finding the Fourth Proportional to 13,499.36, 20,247.92 and 5,708.32

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Solution

The fourth proportional to 13,499.36, 20,247.92 and 5,708.32 is: 8,562.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,499.36 : 20,247.92 = 5,708.32 : x
  2. Step 2: Convert to fraction form
    13,499.36/20,247.92 = 5,708.32/x
  3. Step 3: Cross multiply
    13,499.36x = 20,247.92 × 5,708.32
  4. Step 4: Simplify right side
    13,499.36x = 115,581,606.69
  5. Step 5: Solve for x
    x = 115,581,606.69/13,499.36
  6. Step 6: Final answer
    x = 8,562.01

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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.