Home / 15,553.80-23,337.90-8,166.60

Finding the Fourth Proportional to 15,553.80, 23,337.90 and 8,166.60

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Solution

The fourth proportional to 15,553.80, 23,337.90 and 8,166.60 is: 12,253.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,553.80 : 23,337.90 = 8,166.60 : x
  2. Step 2: Convert to fraction form
    15,553.80/23,337.90 = 8,166.60/x
  3. Step 3: Cross multiply
    15,553.80x = 23,337.90 × 8,166.60
  4. Step 4: Simplify right side
    15,553.80x = 190,591,294.14
  5. Step 5: Solve for x
    x = 190,591,294.14/15,553.80
  6. Step 6: Final answer
    x = 12,253.68

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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.