Home / 13,593.51-20,383.35-5,275.92

Finding the Fourth Proportional to 13,593.51, 20,383.35 and 5,275.92

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Solution

The fourth proportional to 13,593.51, 20,383.35 and 5,275.92 is: 7,911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,593.51 : 20,383.35 = 5,275.92 : x
  2. Step 2: Convert to fraction form
    13,593.51/20,383.35 = 5,275.92/x
  3. Step 3: Cross multiply
    13,593.51x = 20,383.35 × 5,275.92
  4. Step 4: Simplify right side
    13,593.51x = 107,540,923.93
  5. Step 5: Solve for x
    x = 107,540,923.93/13,593.51
  6. Step 6: Final answer
    x = 7,911.20

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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.