Home / 26,000.60-39,014.40-12,149.60

Finding the Fourth Proportional to 26,000.60, 39,014.40 and 12,149.60

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Solution

The fourth proportional to 26,000.60, 39,014.40 and 12,149.60 is: 18,230.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,000.60 : 39,014.40 = 12,149.60 : x
  2. Step 2: Convert to fraction form
    26,000.60/39,014.40 = 12,149.60/x
  3. Step 3: Cross multiply
    26,000.60x = 39,014.40 × 12,149.60
  4. Step 4: Simplify right side
    26,000.60x = 474,009,354.24
  5. Step 5: Solve for x
    x = 474,009,354.24/26,000.60
  6. Step 6: Final answer
    x = 18,230.71

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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.