Home / 16,472.33-22,735.05-12,880.18

Finding the Fourth Proportional to 16,472.33, 22,735.05 and 12,880.18

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Solution

The fourth proportional to 16,472.33, 22,735.05 and 12,880.18 is: 17,777.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,472.33 : 22,735.05 = 12,880.18 : x
  2. Step 2: Convert to fraction form
    16,472.33/22,735.05 = 12,880.18/x
  3. Step 3: Cross multiply
    16,472.33x = 22,735.05 × 12,880.18
  4. Step 4: Simplify right side
    16,472.33x = 292,831,516.43
  5. Step 5: Solve for x
    x = 292,831,516.43/16,472.33
  6. Step 6: Final answer
    x = 17,777.18

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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.