Home / 26,453.72-39,661.14-12,612.44

Finding the Fourth Proportional to 26,453.72, 39,661.14 and 12,612.44

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Solution

The fourth proportional to 26,453.72, 39,661.14 and 12,612.44 is: 18,909.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,453.72 : 39,661.14 = 12,612.44 : x
  2. Step 2: Convert to fraction form
    26,453.72/39,661.14 = 12,612.44/x
  3. Step 3: Cross multiply
    26,453.72x = 39,661.14 × 12,612.44
  4. Step 4: Simplify right side
    26,453.72x = 500,223,748.58
  5. Step 5: Solve for x
    x = 500,223,748.58/26,453.72
  6. Step 6: Final answer
    x = 18,909.39

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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.