Home / 13,709.53-20,564.16-3,848.77

Finding the Fourth Proportional to 13,709.53, 20,564.16 and 3,848.77

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Solution

The fourth proportional to 13,709.53, 20,564.16 and 3,848.77 is: 5,773.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,709.53 : 20,564.16 = 3,848.77 : x
  2. Step 2: Convert to fraction form
    13,709.53/20,564.16 = 3,848.77/x
  3. Step 3: Cross multiply
    13,709.53x = 20,564.16 × 3,848.77
  4. Step 4: Simplify right side
    13,709.53x = 79,146,722.08
  5. Step 5: Solve for x
    x = 79,146,722.08/13,709.53
  6. Step 6: Final answer
    x = 5,773.12

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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.