Home / 21,715.68-32,574.78-6,132

Finding the Fourth Proportional to 21,715.68, 32,574.78 and 6,132

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Solution

The fourth proportional to 21,715.68, 32,574.78 and 6,132 is: 9,198.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,715.68 : 32,574.78 = 6,132 : x
  2. Step 2: Convert to fraction form
    21,715.68/32,574.78 = 6,132/x
  3. Step 3: Cross multiply
    21,715.68x = 32,574.78 × 6,132
  4. Step 4: Simplify right side
    21,715.68x = 199,748,550.96
  5. Step 5: Solve for x
    x = 199,748,550.96/21,715.68
  6. Step 6: Final answer
    x = 9,198.36

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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.