Home / 21,689.20-32,534.93-6,108.04

Finding the Fourth Proportional to 21,689.20, 32,534.93 and 6,108.04

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Solution

The fourth proportional to 21,689.20, 32,534.93 and 6,108.04 is: 9,162.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,689.20 : 32,534.93 = 6,108.04 : x
  2. Step 2: Convert to fraction form
    21,689.20/32,534.93 = 6,108.04/x
  3. Step 3: Cross multiply
    21,689.20x = 32,534.93 × 6,108.04
  4. Step 4: Simplify right side
    21,689.20x = 198,724,653.84
  5. Step 5: Solve for x
    x = 198,724,653.84/21,689.20
  6. Step 6: Final answer
    x = 9,162.38

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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.