Home / 14,676.56-20,271.24-10,691.28

Finding the Fourth Proportional to 14,676.56, 20,271.24 and 10,691.28

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Solution

The fourth proportional to 14,676.56, 20,271.24 and 10,691.28 is: 14,766.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,676.56 : 20,271.24 = 10,691.28 : x
  2. Step 2: Convert to fraction form
    14,676.56/20,271.24 = 10,691.28/x
  3. Step 3: Cross multiply
    14,676.56x = 20,271.24 × 10,691.28
  4. Step 4: Simplify right side
    14,676.56x = 216,725,502.79
  5. Step 5: Solve for x
    x = 216,725,502.79/14,676.56
  6. Step 6: Final answer
    x = 14,766.78

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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.