Home / 22,272.78-33,409.57-10,419.99

Finding the Fourth Proportional to 22,272.78, 33,409.57 and 10,419.99

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Solution

The fourth proportional to 22,272.78, 33,409.57 and 10,419.99 is: 15,630.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,272.78 : 33,409.57 = 10,419.99 : x
  2. Step 2: Convert to fraction form
    22,272.78/33,409.57 = 10,419.99/x
  3. Step 3: Cross multiply
    22,272.78x = 33,409.57 × 10,419.99
  4. Step 4: Simplify right side
    22,272.78x = 348,127,385.30
  5. Step 5: Solve for x
    x = 348,127,385.30/22,272.78
  6. Step 6: Final answer
    x = 15,630.17

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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.