Home / 13,092.40-19,638.60-11,364.40

Finding the Fourth Proportional to 13,092.40, 19,638.60 and 11,364.40

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Solution

The fourth proportional to 13,092.40, 19,638.60 and 11,364.40 is: 17,046.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,092.40 : 19,638.60 = 11,364.40 : x
  2. Step 2: Convert to fraction form
    13,092.40/19,638.60 = 11,364.40/x
  3. Step 3: Cross multiply
    13,092.40x = 19,638.60 × 11,364.40
  4. Step 4: Simplify right side
    13,092.40x = 223,180,905.84
  5. Step 5: Solve for x
    x = 223,180,905.84/13,092.40
  6. Step 6: Final answer
    x = 17,046.60

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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.