Home / 26,226.40-39,339.60-16,895.20

Finding the Fourth Proportional to 26,226.40, 39,339.60 and 16,895.20

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Solution

The fourth proportional to 26,226.40, 39,339.60 and 16,895.20 is: 25,342.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,226.40 : 39,339.60 = 16,895.20 : x
  2. Step 2: Convert to fraction form
    26,226.40/39,339.60 = 16,895.20/x
  3. Step 3: Cross multiply
    26,226.40x = 39,339.60 × 16,895.20
  4. Step 4: Simplify right side
    26,226.40x = 664,650,409.92
  5. Step 5: Solve for x
    x = 664,650,409.92/26,226.40
  6. Step 6: Final answer
    x = 25,342.80

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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.