Home / 18,943.95-28,419.99-5,795.88

Finding the Fourth Proportional to 18,943.95, 28,419.99 and 5,795.88

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Solution

The fourth proportional to 18,943.95, 28,419.99 and 5,795.88 is: 8,695.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,943.95 : 28,419.99 = 5,795.88 : x
  2. Step 2: Convert to fraction form
    18,943.95/28,419.99 = 5,795.88/x
  3. Step 3: Cross multiply
    18,943.95x = 28,419.99 × 5,795.88
  4. Step 4: Simplify right side
    18,943.95x = 164,718,851.64
  5. Step 5: Solve for x
    x = 164,718,851.64/18,943.95
  6. Step 6: Final answer
    x = 8,695.06

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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.