Home / 18,676.17-25,776.90-10,723.86

Finding the Fourth Proportional to 18,676.17, 25,776.90 and 10,723.86

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Solution

The fourth proportional to 18,676.17, 25,776.90 and 10,723.86 is: 14,801.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,676.17 : 25,776.90 = 10,723.86 : x
  2. Step 2: Convert to fraction form
    18,676.17/25,776.90 = 10,723.86/x
  3. Step 3: Cross multiply
    18,676.17x = 25,776.90 × 10,723.86
  4. Step 4: Simplify right side
    18,676.17x = 276,427,866.83
  5. Step 5: Solve for x
    x = 276,427,866.83/18,676.17
  6. Step 6: Final answer
    x = 14,801.10

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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.