Home / 26,498.42-36,582.04-20,435.40

Finding the Fourth Proportional to 26,498.42, 36,582.04 and 20,435.40

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Solution

The fourth proportional to 26,498.42, 36,582.04 and 20,435.40 is: 28,211.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,498.42 : 36,582.04 = 20,435.40 : x
  2. Step 2: Convert to fraction form
    26,498.42/36,582.04 = 20,435.40/x
  3. Step 3: Cross multiply
    26,498.42x = 36,582.04 × 20,435.40
  4. Step 4: Simplify right side
    26,498.42x = 747,568,620.22
  5. Step 5: Solve for x
    x = 747,568,620.22/26,498.42
  6. Step 6: Final answer
    x = 28,211.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.