Home / 20,625.32-30,937.92-5,042.94

Finding the Fourth Proportional to 20,625.32, 30,937.92 and 5,042.94

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Solution

The fourth proportional to 20,625.32, 30,937.92 and 5,042.94 is: 7,564.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,625.32 : 30,937.92 = 5,042.94 : x
  2. Step 2: Convert to fraction form
    20,625.32/30,937.92 = 5,042.94/x
  3. Step 3: Cross multiply
    20,625.32x = 30,937.92 × 5,042.94
  4. Step 4: Simplify right side
    20,625.32x = 156,018,074.28
  5. Step 5: Solve for x
    x = 156,018,074.28/20,625.32
  6. Step 6: Final answer
    x = 7,564.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.