Home / 30,154.43-41,613.12-16,725.84

Finding the Fourth Proportional to 30,154.43, 41,613.12 and 16,725.84

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Solution

The fourth proportional to 30,154.43, 41,613.12 and 16,725.84 is: 23,081.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,154.43 : 41,613.12 = 16,725.84 : x
  2. Step 2: Convert to fraction form
    30,154.43/41,613.12 = 16,725.84/x
  3. Step 3: Cross multiply
    30,154.43x = 41,613.12 × 16,725.84
  4. Step 4: Simplify right side
    30,154.43x = 696,014,387.02
  5. Step 5: Solve for x
    x = 696,014,387.02/30,154.43
  6. Step 6: Final answer
    x = 23,081.67

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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.