Home / 13,601.25-20,402.01-4,836.51

Finding the Fourth Proportional to 13,601.25, 20,402.01 and 4,836.51

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Solution

The fourth proportional to 13,601.25, 20,402.01 and 4,836.51 is: 7,254.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,601.25 : 20,402.01 = 4,836.51 : x
  2. Step 2: Convert to fraction form
    13,601.25/20,402.01 = 4,836.51/x
  3. Step 3: Cross multiply
    13,601.25x = 20,402.01 × 4,836.51
  4. Step 4: Simplify right side
    13,601.25x = 98,674,525.39
  5. Step 5: Solve for x
    x = 98,674,525.39/13,601.25
  6. Step 6: Final answer
    x = 7,254.81

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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.