Home / 19,689.24-29,538.85-6,541.68

Finding the Fourth Proportional to 19,689.24, 29,538.85 and 6,541.68

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Solution

The fourth proportional to 19,689.24, 29,538.85 and 6,541.68 is: 9,814.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,689.24 : 29,538.85 = 6,541.68 : x
  2. Step 2: Convert to fraction form
    19,689.24/29,538.85 = 6,541.68/x
  3. Step 3: Cross multiply
    19,689.24x = 29,538.85 × 6,541.68
  4. Step 4: Simplify right side
    19,689.24x = 193,233,704.27
  5. Step 5: Solve for x
    x = 193,233,704.27/19,689.24
  6. Step 6: Final answer
    x = 9,814.18

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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.