Home / 13,201.76-19,812.32-10,635.68

Finding the Fourth Proportional to 13,201.76, 19,812.32 and 10,635.68

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Solution

The fourth proportional to 13,201.76, 19,812.32 and 10,635.68 is: 15,961.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,201.76 : 19,812.32 = 10,635.68 : x
  2. Step 2: Convert to fraction form
    13,201.76/19,812.32 = 10,635.68/x
  3. Step 3: Cross multiply
    13,201.76x = 19,812.32 × 10,635.68
  4. Step 4: Simplify right side
    13,201.76x = 210,717,495.58
  5. Step 5: Solve for x
    x = 210,717,495.58/13,201.76
  6. Step 6: Final answer
    x = 15,961.32

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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.