Home / 25,819.40-38,729.10-23,000.60

Finding the Fourth Proportional to 25,819.40, 38,729.10 and 23,000.60

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Solution

The fourth proportional to 25,819.40, 38,729.10 and 23,000.60 is: 34,500.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,819.40 : 38,729.10 = 23,000.60 : x
  2. Step 2: Convert to fraction form
    25,819.40/38,729.10 = 23,000.60/x
  3. Step 3: Cross multiply
    25,819.40x = 38,729.10 × 23,000.60
  4. Step 4: Simplify right side
    25,819.40x = 890,792,537.46
  5. Step 5: Solve for x
    x = 890,792,537.46/25,819.40
  6. Step 6: Final answer
    x = 34,500.90

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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.