Home / 22,640.10-31,241.31-12,566.23

Finding the Fourth Proportional to 22,640.10, 31,241.31 and 12,566.23

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Solution

The fourth proportional to 22,640.10, 31,241.31 and 12,566.23 is: 17,340.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,640.10 : 31,241.31 = 12,566.23 : x
  2. Step 2: Convert to fraction form
    22,640.10/31,241.31 = 12,566.23/x
  3. Step 3: Cross multiply
    22,640.10x = 31,241.31 × 12,566.23
  4. Step 4: Simplify right side
    22,640.10x = 392,585,486.96
  5. Step 5: Solve for x
    x = 392,585,486.96/22,640.10
  6. Step 6: Final answer
    x = 17,340.27

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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.