Home / 19,688.67-29,537.46-6,541.56

Finding the Fourth Proportional to 19,688.67, 29,537.46 and 6,541.56

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Solution

The fourth proportional to 19,688.67, 29,537.46 and 6,541.56 is: 9,813.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,688.67 : 29,537.46 = 6,541.56 : x
  2. Step 2: Convert to fraction form
    19,688.67/29,537.46 = 6,541.56/x
  3. Step 3: Cross multiply
    19,688.67x = 29,537.46 × 6,541.56
  4. Step 4: Simplify right side
    19,688.67x = 193,221,066.84
  5. Step 5: Solve for x
    x = 193,221,066.84/19,688.67
  6. Step 6: Final answer
    x = 9,813.82

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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.