Home / 13,710.54-20,566.53-4,351.28

Finding the Fourth Proportional to 13,710.54, 20,566.53 and 4,351.28

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Solution

The fourth proportional to 13,710.54, 20,566.53 and 4,351.28 is: 6,527.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,710.54 : 20,566.53 = 4,351.28 : x
  2. Step 2: Convert to fraction form
    13,710.54/20,566.53 = 4,351.28/x
  3. Step 3: Cross multiply
    13,710.54x = 20,566.53 × 4,351.28
  4. Step 4: Simplify right side
    13,710.54x = 89,490,627.83
  5. Step 5: Solve for x
    x = 89,490,627.83/13,710.54
  6. Step 6: Final answer
    x = 6,527.14

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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.