Home / 21,935.41-32,909.49-7,895.19

Finding the Fourth Proportional to 21,935.41, 32,909.49 and 7,895.19

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Solution

The fourth proportional to 21,935.41, 32,909.49 and 7,895.19 is: 11,845.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,935.41 : 32,909.49 = 7,895.19 : x
  2. Step 2: Convert to fraction form
    21,935.41/32,909.49 = 7,895.19/x
  3. Step 3: Cross multiply
    21,935.41x = 32,909.49 × 7,895.19
  4. Step 4: Simplify right side
    21,935.41x = 259,826,511.81
  5. Step 5: Solve for x
    x = 259,826,511.81/21,935.41
  6. Step 6: Final answer
    x = 11,845.07

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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.