Home / 22,705.77-31,333.37-12,634.23

Finding the Fourth Proportional to 22,705.77, 31,333.37 and 12,634.23

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Solution

The fourth proportional to 22,705.77, 31,333.37 and 12,634.23 is: 17,434.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,705.77 : 31,333.37 = 12,634.23 : x
  2. Step 2: Convert to fraction form
    22,705.77/31,333.37 = 12,634.23/x
  3. Step 3: Cross multiply
    22,705.77x = 31,333.37 × 12,634.23
  4. Step 4: Simplify right side
    22,705.77x = 395,872,940.08
  5. Step 5: Solve for x
    x = 395,872,940.08/22,705.77
  6. Step 6: Final answer
    x = 17,434.90

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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.