Home / 16,568.28-22,872.70-12,782.94

Finding the Fourth Proportional to 16,568.28, 22,872.70 and 12,782.94

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Solution

The fourth proportional to 16,568.28, 22,872.70 and 12,782.94 is: 17,646.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,568.28 : 22,872.70 = 12,782.94 : x
  2. Step 2: Convert to fraction form
    16,568.28/22,872.70 = 12,782.94/x
  3. Step 3: Cross multiply
    16,568.28x = 22,872.70 × 12,782.94
  4. Step 4: Simplify right side
    16,568.28x = 292,380,319.78
  5. Step 5: Solve for x
    x = 292,380,319.78/16,568.28
  6. Step 6: Final answer
    x = 17,646.99

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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.