Home / 30,155.96-41,613.18-16,726.70

Finding the Fourth Proportional to 30,155.96, 41,613.18 and 16,726.70

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Solution

The fourth proportional to 30,155.96, 41,613.18 and 16,726.70 is: 23,081.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,155.96 : 41,613.18 = 16,726.70 : x
  2. Step 2: Convert to fraction form
    30,155.96/41,613.18 = 16,726.70/x
  3. Step 3: Cross multiply
    30,155.96x = 41,613.18 × 16,726.70
  4. Step 4: Simplify right side
    30,155.96x = 696,051,177.91
  5. Step 5: Solve for x
    x = 696,051,177.91/30,155.96
  6. Step 6: Final answer
    x = 23,081.71

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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.