Home / 25,622.20-35,363.82-15,020.92

Finding the Fourth Proportional to 25,622.20, 35,363.82 and 15,020.92

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Solution

The fourth proportional to 25,622.20, 35,363.82 and 15,020.92 is: 20,731.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,622.20 : 35,363.82 = 15,020.92 : x
  2. Step 2: Convert to fraction form
    25,622.20/35,363.82 = 15,020.92/x
  3. Step 3: Cross multiply
    25,622.20x = 35,363.82 × 15,020.92
  4. Step 4: Simplify right side
    25,622.20x = 531,197,111.11
  5. Step 5: Solve for x
    x = 531,197,111.11/25,622.20
  6. Step 6: Final answer
    x = 20,731.91

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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.