Home / 15,503.40-23,265.90-6,744.60

Finding the Fourth Proportional to 15,503.40, 23,265.90 and 6,744.60

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Solution

The fourth proportional to 15,503.40, 23,265.90 and 6,744.60 is: 10,121.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,503.40 : 23,265.90 = 6,744.60 : x
  2. Step 2: Convert to fraction form
    15,503.40/23,265.90 = 6,744.60/x
  3. Step 3: Cross multiply
    15,503.40x = 23,265.90 × 6,744.60
  4. Step 4: Simplify right side
    15,503.40x = 156,919,189.14
  5. Step 5: Solve for x
    x = 156,919,189.14/15,503.40
  6. Step 6: Final answer
    x = 10,121.60

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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.