Home / 13,975.76-20,950.44-5,204.72

Finding the Fourth Proportional to 13,975.76, 20,950.44 and 5,204.72

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Solution

The fourth proportional to 13,975.76, 20,950.44 and 5,204.72 is: 7,802.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,975.76 : 20,950.44 = 5,204.72 : x
  2. Step 2: Convert to fraction form
    13,975.76/20,950.44 = 5,204.72/x
  3. Step 3: Cross multiply
    13,975.76x = 20,950.44 × 5,204.72
  4. Step 4: Simplify right side
    13,975.76x = 109,041,174.08
  5. Step 5: Solve for x
    x = 109,041,174.08/13,975.76
  6. Step 6: Final answer
    x = 7,802.16

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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.