Home / 19,689.17-29,538.21-6,542.06

Finding the Fourth Proportional to 19,689.17, 29,538.21 and 6,542.06

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Solution

The fourth proportional to 19,689.17, 29,538.21 and 6,542.06 is: 9,814.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,689.17 : 29,538.21 = 6,542.06 : x
  2. Step 2: Convert to fraction form
    19,689.17/29,538.21 = 6,542.06/x
  3. Step 3: Cross multiply
    19,689.17x = 29,538.21 × 6,542.06
  4. Step 4: Simplify right side
    19,689.17x = 193,240,742.11
  5. Step 5: Solve for x
    x = 193,240,742.11/19,689.17
  6. Step 6: Final answer
    x = 9,814.57

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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.