Home / 13,212.47-19,822.14-3,852.29

Finding the Fourth Proportional to 13,212.47, 19,822.14 and 3,852.29

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Solution

The fourth proportional to 13,212.47, 19,822.14 and 3,852.29 is: 5,779.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,212.47 : 19,822.14 = 3,852.29 : x
  2. Step 2: Convert to fraction form
    13,212.47/19,822.14 = 3,852.29/x
  3. Step 3: Cross multiply
    13,212.47x = 19,822.14 × 3,852.29
  4. Step 4: Simplify right side
    13,212.47x = 76,360,532.59
  5. Step 5: Solve for x
    x = 76,360,532.59/13,212.47
  6. Step 6: Final answer
    x = 5,779.43

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1.5x scale

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.