Home / 26,010.60-39,029.40-12,159.60

Finding the Fourth Proportional to 26,010.60, 39,029.40 and 12,159.60

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Solution

The fourth proportional to 26,010.60, 39,029.40 and 12,159.60 is: 18,245.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,010.60 : 39,029.40 = 12,159.60 : x
  2. Step 2: Convert to fraction form
    26,010.60/39,029.40 = 12,159.60/x
  3. Step 3: Cross multiply
    26,010.60x = 39,029.40 × 12,159.60
  4. Step 4: Simplify right side
    26,010.60x = 474,581,892.24
  5. Step 5: Solve for x
    x = 474,581,892.24/26,010.60
  6. Step 6: Final answer
    x = 18,245.71

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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.