Home / 22,617.32-31,214.82-12,683.24

Finding the Fourth Proportional to 22,617.32, 31,214.82 and 12,683.24

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Solution

The fourth proportional to 22,617.32, 31,214.82 and 12,683.24 is: 17,504.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,617.32 : 31,214.82 = 12,683.24 : x
  2. Step 2: Convert to fraction form
    22,617.32/31,214.82 = 12,683.24/x
  3. Step 3: Cross multiply
    22,617.32x = 31,214.82 × 12,683.24
  4. Step 4: Simplify right side
    22,617.32x = 395,905,053.62
  5. Step 5: Solve for x
    x = 395,905,053.62/22,617.32
  6. Step 6: Final answer
    x = 17,504.51

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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.