Home / 30,164.61-41,613.17-18,826.77

Finding the Fourth Proportional to 30,164.61, 41,613.17 and 18,826.77

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Solution

The fourth proportional to 30,164.61, 41,613.17 and 18,826.77 is: 25,972.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,164.61 : 41,613.17 = 18,826.77 : x
  2. Step 2: Convert to fraction form
    30,164.61/41,613.17 = 18,826.77/x
  3. Step 3: Cross multiply
    30,164.61x = 41,613.17 × 18,826.77
  4. Step 4: Simplify right side
    30,164.61x = 783,441,486.43
  5. Step 5: Solve for x
    x = 783,441,486.43/30,164.61
  6. Step 6: Final answer
    x = 25,972.21

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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.