Home / 17,688.66-26,528.94-7,822.60

Finding the Fourth Proportional to 17,688.66, 26,528.94 and 7,822.60

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Solution

The fourth proportional to 17,688.66, 26,528.94 and 7,822.60 is: 11,732.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,688.66 : 26,528.94 = 7,822.60 : x
  2. Step 2: Convert to fraction form
    17,688.66/26,528.94 = 7,822.60/x
  3. Step 3: Cross multiply
    17,688.66x = 26,528.94 × 7,822.60
  4. Step 4: Simplify right side
    17,688.66x = 207,525,286.04
  5. Step 5: Solve for x
    x = 207,525,286.04/17,688.66
  6. Step 6: Final answer
    x = 11,732.11

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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.