Home / 14,177.10-19,568.72-8,512.78

Finding the Fourth Proportional to 14,177.10, 19,568.72 and 8,512.78

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Solution

The fourth proportional to 14,177.10, 19,568.72 and 8,512.78 is: 11,750.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,177.10 : 19,568.72 = 8,512.78 : x
  2. Step 2: Convert to fraction form
    14,177.10/19,568.72 = 8,512.78/x
  3. Step 3: Cross multiply
    14,177.10x = 19,568.72 × 8,512.78
  4. Step 4: Simplify right side
    14,177.10x = 166,584,208.24
  5. Step 5: Solve for x
    x = 166,584,208.24/14,177.10
  6. Step 6: Final answer
    x = 11,750.23

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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.