Home / 22,683.60-31,305.60-12,615.30

Finding the Fourth Proportional to 22,683.60, 31,305.60 and 12,615.30

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Solution

The fourth proportional to 22,683.60, 31,305.60 and 12,615.30 is: 17,410.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,683.60 : 31,305.60 = 12,615.30 : x
  2. Step 2: Convert to fraction form
    22,683.60/31,305.60 = 12,615.30/x
  3. Step 3: Cross multiply
    22,683.60x = 31,305.60 × 12,615.30
  4. Step 4: Simplify right side
    22,683.60x = 394,929,535.68
  5. Step 5: Solve for x
    x = 394,929,535.68/22,683.60
  6. Step 6: Final answer
    x = 17,410.36

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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.