Home / 26,529.18-39,793.77-12,636.06

Finding the Fourth Proportional to 26,529.18, 39,793.77 and 12,636.06

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Solution

The fourth proportional to 26,529.18, 39,793.77 and 12,636.06 is: 18,954.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,529.18 : 39,793.77 = 12,636.06 : x
  2. Step 2: Convert to fraction form
    26,529.18/39,793.77 = 12,636.06/x
  3. Step 3: Cross multiply
    26,529.18x = 39,793.77 × 12,636.06
  4. Step 4: Simplify right side
    26,529.18x = 502,836,465.35
  5. Step 5: Solve for x
    x = 502,836,465.35/26,529.18
  6. Step 6: Final answer
    x = 18,954.09

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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.