Home / 16,863.28-23,272.64-12,407.48

Finding the Fourth Proportional to 16,863.28, 23,272.64 and 12,407.48

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Solution

The fourth proportional to 16,863.28, 23,272.64 and 12,407.48 is: 17,123.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,863.28 : 23,272.64 = 12,407.48 : x
  2. Step 2: Convert to fraction form
    16,863.28/23,272.64 = 12,407.48/x
  3. Step 3: Cross multiply
    16,863.28x = 23,272.64 × 12,407.48
  4. Step 4: Simplify right side
    16,863.28x = 288,754,815.35
  5. Step 5: Solve for x
    x = 288,754,815.35/16,863.28
  6. Step 6: Final answer
    x = 17,123.29

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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.