Home / 18,943.02-28,419.64-5,795.04

Finding the Fourth Proportional to 18,943.02, 28,419.64 and 5,795.04

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Solution

The fourth proportional to 18,943.02, 28,419.64 and 5,795.04 is: 8,694.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,943.02 : 28,419.64 = 5,795.04 : x
  2. Step 2: Convert to fraction form
    18,943.02/28,419.64 = 5,795.04/x
  3. Step 3: Cross multiply
    18,943.02x = 28,419.64 × 5,795.04
  4. Step 4: Simplify right side
    18,943.02x = 164,692,950.59
  5. Step 5: Solve for x
    x = 164,692,950.59/18,943.02
  6. Step 6: Final answer
    x = 8,694.12

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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.