Home / 13,710.25-20,566.10-4,351

Finding the Fourth Proportional to 13,710.25, 20,566.10 and 4,351

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Solution

The fourth proportional to 13,710.25, 20,566.10 and 4,351 is: 6,526.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,710.25 : 20,566.10 = 4,351 : x
  2. Step 2: Convert to fraction form
    13,710.25/20,566.10 = 4,351/x
  3. Step 3: Cross multiply
    13,710.25x = 20,566.10 × 4,351
  4. Step 4: Simplify right side
    13,710.25x = 89,483,101.10
  5. Step 5: Solve for x
    x = 89,483,101.10/13,710.25
  6. Step 6: Final answer
    x = 6,526.73

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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.