Home / 18,940.02-28,415.14-5,792.04

Finding the Fourth Proportional to 18,940.02, 28,415.14 and 5,792.04

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Solution

The fourth proportional to 18,940.02, 28,415.14 and 5,792.04 is: 8,689.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,940.02 : 28,415.14 = 5,792.04 : x
  2. Step 2: Convert to fraction form
    18,940.02/28,415.14 = 5,792.04/x
  3. Step 3: Cross multiply
    18,940.02x = 28,415.14 × 5,792.04
  4. Step 4: Simplify right side
    18,940.02x = 164,581,627.49
  5. Step 5: Solve for x
    x = 164,581,627.49/18,940.02
  6. Step 6: Final answer
    x = 8,689.62

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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.