Home / 17,712.87-26,570.04-6,618.43

Finding the Fourth Proportional to 17,712.87, 26,570.04 and 6,618.43

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Solution

The fourth proportional to 17,712.87, 26,570.04 and 6,618.43 is: 9,927.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,712.87 : 26,570.04 = 6,618.43 : x
  2. Step 2: Convert to fraction form
    17,712.87/26,570.04 = 6,618.43/x
  3. Step 3: Cross multiply
    17,712.87x = 26,570.04 × 6,618.43
  4. Step 4: Simplify right side
    17,712.87x = 175,851,949.84
  5. Step 5: Solve for x
    x = 175,851,949.84/17,712.87
  6. Step 6: Final answer
    x = 9,927.92

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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.