Home / 13,063.22-18,027.07-7,475.30

Finding the Fourth Proportional to 13,063.22, 18,027.07 and 7,475.30

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Solution

The fourth proportional to 13,063.22, 18,027.07 and 7,475.30 is: 10,315.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,063.22 : 18,027.07 = 7,475.30 : x
  2. Step 2: Convert to fraction form
    13,063.22/18,027.07 = 7,475.30/x
  3. Step 3: Cross multiply
    13,063.22x = 18,027.07 × 7,475.30
  4. Step 4: Simplify right side
    13,063.22x = 134,757,756.37
  5. Step 5: Solve for x
    x = 134,757,756.37/13,063.22
  6. Step 6: Final answer
    x = 10,315.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.