Home / 13,723.36-20,572.84-4,956.36

Finding the Fourth Proportional to 13,723.36, 20,572.84 and 4,956.36

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Solution

The fourth proportional to 13,723.36, 20,572.84 and 4,956.36 is: 7,430.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,723.36 : 20,572.84 = 4,956.36 : x
  2. Step 2: Convert to fraction form
    13,723.36/20,572.84 = 4,956.36/x
  3. Step 3: Cross multiply
    13,723.36x = 20,572.84 × 4,956.36
  4. Step 4: Simplify right side
    13,723.36x = 101,966,401.26
  5. Step 5: Solve for x
    x = 101,966,401.26/13,723.36
  6. Step 6: Final answer
    x = 7,430.13

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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.