Home / 22,683.66-31,304.52-12,612.28

Finding the Fourth Proportional to 22,683.66, 31,304.52 and 12,612.28

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Solution

The fourth proportional to 22,683.66, 31,304.52 and 12,612.28 is: 17,405.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,683.66 : 31,304.52 = 12,612.28 : x
  2. Step 2: Convert to fraction form
    22,683.66/31,304.52 = 12,612.28/x
  3. Step 3: Cross multiply
    22,683.66x = 31,304.52 × 12,612.28
  4. Step 4: Simplify right side
    22,683.66x = 394,821,371.51
  5. Step 5: Solve for x
    x = 394,821,371.51/22,683.66
  6. Step 6: Final answer
    x = 17,405.54

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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.