Home / 13,709.14-20,565.53-3,848.51

Finding the Fourth Proportional to 13,709.14, 20,565.53 and 3,848.51

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Solution

The fourth proportional to 13,709.14, 20,565.53 and 3,848.51 is: 5,773.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,709.14 : 20,565.53 = 3,848.51 : x
  2. Step 2: Convert to fraction form
    13,709.14/20,565.53 = 3,848.51/x
  3. Step 3: Cross multiply
    13,709.14x = 20,565.53 × 3,848.51
  4. Step 4: Simplify right side
    13,709.14x = 79,146,554.65
  5. Step 5: Solve for x
    x = 79,146,554.65/13,709.14
  6. Step 6: Final answer
    x = 5,773.27

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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.