Home / 30,252.54-41,752.24-18,320.04

Finding the Fourth Proportional to 30,252.54, 41,752.24 and 18,320.04

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Solution

The fourth proportional to 30,252.54, 41,752.24 and 18,320.04 is: 25,283.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,252.54 : 41,752.24 = 18,320.04 : x
  2. Step 2: Convert to fraction form
    30,252.54/41,752.24 = 18,320.04/x
  3. Step 3: Cross multiply
    30,252.54x = 41,752.24 × 18,320.04
  4. Step 4: Simplify right side
    30,252.54x = 764,902,706.89
  5. Step 5: Solve for x
    x = 764,902,706.89/30,252.54
  6. Step 6: Final answer
    x = 25,283.92

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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.