Home / 30,155.13-41,613.78-16,726.04

Finding the Fourth Proportional to 30,155.13, 41,613.78 and 16,726.04

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Solution

The fourth proportional to 30,155.13, 41,613.78 and 16,726.04 is: 23,081.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,155.13 : 41,613.78 = 16,726.04 : x
  2. Step 2: Convert to fraction form
    30,155.13/41,613.78 = 16,726.04/x
  3. Step 3: Cross multiply
    30,155.13x = 41,613.78 × 16,726.04
  4. Step 4: Simplify right side
    30,155.13x = 696,033,561.17
  5. Step 5: Solve for x
    x = 696,033,561.17/30,155.13
  6. Step 6: Final answer
    x = 23,081.76

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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.