Home / 13,323.40-19,985.10-3,462.60

Finding the Fourth Proportional to 13,323.40, 19,985.10 and 3,462.60

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Solution

The fourth proportional to 13,323.40, 19,985.10 and 3,462.60 is: 5,193.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,323.40 : 19,985.10 = 3,462.60 : x
  2. Step 2: Convert to fraction form
    13,323.40/19,985.10 = 3,462.60/x
  3. Step 3: Cross multiply
    13,323.40x = 19,985.10 × 3,462.60
  4. Step 4: Simplify right side
    13,323.40x = 69,200,407.26
  5. Step 5: Solve for x
    x = 69,200,407.26/13,323.40
  6. Step 6: Final answer
    x = 5,193.90

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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.