Home / 22,811.12-34,209.88-9,663.28

Finding the Fourth Proportional to 22,811.12, 34,209.88 and 9,663.28

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Solution

The fourth proportional to 22,811.12, 34,209.88 and 9,663.28 is: 14,492.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,811.12 : 34,209.88 = 9,663.28 : x
  2. Step 2: Convert to fraction form
    22,811.12/34,209.88 = 9,663.28/x
  3. Step 3: Cross multiply
    22,811.12x = 34,209.88 × 9,663.28
  4. Step 4: Simplify right side
    22,811.12x = 330,579,649.21
  5. Step 5: Solve for x
    x = 330,579,649.21/22,811.12
  6. Step 6: Final answer
    x = 14,492.04

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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.