Home / 26,421.76-39,610.68-12,374.92

Finding the Fourth Proportional to 26,421.76, 39,610.68 and 12,374.92

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Solution

The fourth proportional to 26,421.76, 39,610.68 and 12,374.92 is: 18,552.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,421.76 : 39,610.68 = 12,374.92 : x
  2. Step 2: Convert to fraction form
    26,421.76/39,610.68 = 12,374.92/x
  3. Step 3: Cross multiply
    26,421.76x = 39,610.68 × 12,374.92
  4. Step 4: Simplify right side
    26,421.76x = 490,178,996.15
  5. Step 5: Solve for x
    x = 490,178,996.15/26,421.76
  6. Step 6: Final answer
    x = 18,552.09

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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.