Home / 13,108.24-18,090.96-7,444.76

Finding the Fourth Proportional to 13,108.24, 18,090.96 and 7,444.76

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Solution

The fourth proportional to 13,108.24, 18,090.96 and 7,444.76 is: 10,274.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,108.24 : 18,090.96 = 7,444.76 : x
  2. Step 2: Convert to fraction form
    13,108.24/18,090.96 = 7,444.76/x
  3. Step 3: Cross multiply
    13,108.24x = 18,090.96 × 7,444.76
  4. Step 4: Simplify right side
    13,108.24x = 134,682,855.37
  5. Step 5: Solve for x
    x = 134,682,855.37/13,108.24
  6. Step 6: Final answer
    x = 10,274.67

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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.