Home / 22,461.64-30,996.68-12,391.04

Finding the Fourth Proportional to 22,461.64, 30,996.68 and 12,391.04

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Solution

The fourth proportional to 22,461.64, 30,996.68 and 12,391.04 is: 17,099.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,461.64 : 30,996.68 = 12,391.04 : x
  2. Step 2: Convert to fraction form
    22,461.64/30,996.68 = 12,391.04/x
  3. Step 3: Cross multiply
    22,461.64x = 30,996.68 × 12,391.04
  4. Step 4: Simplify right side
    22,461.64x = 384,081,117.28
  5. Step 5: Solve for x
    x = 384,081,117.28/22,461.64
  6. Step 6: Final answer
    x = 17,099.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.