Home / 13,099.44-19,663.20-7,260.96

Finding the Fourth Proportional to 13,099.44, 19,663.20 and 7,260.96

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Solution

The fourth proportional to 13,099.44, 19,663.20 and 7,260.96 is: 10,899.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,099.44 : 19,663.20 = 7,260.96 : x
  2. Step 2: Convert to fraction form
    13,099.44/19,663.20 = 7,260.96/x
  3. Step 3: Cross multiply
    13,099.44x = 19,663.20 × 7,260.96
  4. Step 4: Simplify right side
    13,099.44x = 142,773,708.67
  5. Step 5: Solve for x
    x = 142,773,708.67/13,099.44
  6. Step 6: Final answer
    x = 10,899.22

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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.