Home / 23,092.40-34,638.60-11,428.40

Finding the Fourth Proportional to 23,092.40, 34,638.60 and 11,428.40

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Solution

The fourth proportional to 23,092.40, 34,638.60 and 11,428.40 is: 17,142.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,092.40 : 34,638.60 = 11,428.40 : x
  2. Step 2: Convert to fraction form
    23,092.40/34,638.60 = 11,428.40/x
  3. Step 3: Cross multiply
    23,092.40x = 34,638.60 × 11,428.40
  4. Step 4: Simplify right side
    23,092.40x = 395,863,776.24
  5. Step 5: Solve for x
    x = 395,863,776.24/23,092.40
  6. Step 6: Final answer
    x = 17,142.60

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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.