Home / 21,634.34-32,436.17-9,619.92

Finding the Fourth Proportional to 21,634.34, 32,436.17 and 9,619.92

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Solution

The fourth proportional to 21,634.34, 32,436.17 and 9,619.92 is: 14,423.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,634.34 : 32,436.17 = 9,619.92 : x
  2. Step 2: Convert to fraction form
    21,634.34/32,436.17 = 9,619.92/x
  3. Step 3: Cross multiply
    21,634.34x = 32,436.17 × 9,619.92
  4. Step 4: Simplify right side
    21,634.34x = 312,033,312.41
  5. Step 5: Solve for x
    x = 312,033,312.41/21,634.34
  6. Step 6: Final answer
    x = 14,423.06

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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.