Home / 26,613.68-39,920.28-6,623.20

Finding the Fourth Proportional to 26,613.68, 39,920.28 and 6,623.20

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Solution

The fourth proportional to 26,613.68, 39,920.28 and 6,623.20 is: 9,934.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,613.68 : 39,920.28 = 6,623.20 : x
  2. Step 2: Convert to fraction form
    26,613.68/39,920.28 = 6,623.20/x
  3. Step 3: Cross multiply
    26,613.68x = 39,920.28 × 6,623.20
  4. Step 4: Simplify right side
    26,613.68x = 264,399,998.50
  5. Step 5: Solve for x
    x = 264,399,998.50/26,613.68
  6. Step 6: Final answer
    x = 9,934.74

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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.