Home / 30,960.26-42,725.32-17,534.12

Finding the Fourth Proportional to 30,960.26, 42,725.32 and 17,534.12

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Solution

The fourth proportional to 30,960.26, 42,725.32 and 17,534.12 is: 24,197.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,960.26 : 42,725.32 = 17,534.12 : x
  2. Step 2: Convert to fraction form
    30,960.26/42,725.32 = 17,534.12/x
  3. Step 3: Cross multiply
    30,960.26x = 42,725.32 × 17,534.12
  4. Step 4: Simplify right side
    30,960.26x = 749,150,800.25
  5. Step 5: Solve for x
    x = 749,150,800.25/30,960.26
  6. Step 6: Final answer
    x = 24,197.18

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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.