Home / 13,352.04-19,997.40-8,409.48

Finding the Fourth Proportional to 13,352.04, 19,997.40 and 8,409.48

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Solution

The fourth proportional to 13,352.04, 19,997.40 and 8,409.48 is: 12,594.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,352.04 : 19,997.40 = 8,409.48 : x
  2. Step 2: Convert to fraction form
    13,352.04/19,997.40 = 8,409.48/x
  3. Step 3: Cross multiply
    13,352.04x = 19,997.40 × 8,409.48
  4. Step 4: Simplify right side
    13,352.04x = 168,167,735.35
  5. Step 5: Solve for x
    x = 168,167,735.35/13,352.04
  6. Step 6: Final answer
    x = 12,594.91

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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.