Home / 17,716.66-26,566.65-6,620.40

Finding the Fourth Proportional to 17,716.66, 26,566.65 and 6,620.40

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Solution

The fourth proportional to 17,716.66, 26,566.65 and 6,620.40 is: 9,927.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,716.66 : 26,566.65 = 6,620.40 : x
  2. Step 2: Convert to fraction form
    17,716.66/26,566.65 = 6,620.40/x
  3. Step 3: Cross multiply
    17,716.66x = 26,566.65 × 6,620.40
  4. Step 4: Simplify right side
    17,716.66x = 175,881,849.66
  5. Step 5: Solve for x
    x = 175,881,849.66/17,716.66
  6. Step 6: Final answer
    x = 9,927.48

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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.