Home / 13,722.51-20,585.14-4,955.38

Finding the Fourth Proportional to 13,722.51, 20,585.14 and 4,955.38

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Solution

The fourth proportional to 13,722.51, 20,585.14 and 4,955.38 is: 7,433.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,722.51 : 20,585.14 = 4,955.38 : x
  2. Step 2: Convert to fraction form
    13,722.51/20,585.14 = 4,955.38/x
  3. Step 3: Cross multiply
    13,722.51x = 20,585.14 × 4,955.38
  4. Step 4: Simplify right side
    13,722.51x = 102,007,127.20
  5. Step 5: Solve for x
    x = 102,007,127.20/13,722.51
  6. Step 6: Final answer
    x = 7,433.56

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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.