Home / 26,813.52-40,221.36-12,766.32

Finding the Fourth Proportional to 26,813.52, 40,221.36 and 12,766.32

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Solution

The fourth proportional to 26,813.52, 40,221.36 and 12,766.32 is: 19,149.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,813.52 : 40,221.36 = 12,766.32 : x
  2. Step 2: Convert to fraction form
    26,813.52/40,221.36 = 12,766.32/x
  3. Step 3: Cross multiply
    26,813.52x = 40,221.36 × 12,766.32
  4. Step 4: Simplify right side
    26,813.52x = 513,478,752.60
  5. Step 5: Solve for x
    x = 513,478,752.60/26,813.52
  6. Step 6: Final answer
    x = 19,149.99

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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.