Home / 26,456.20-39,676.38-10,656.16

Finding the Fourth Proportional to 26,456.20, 39,676.38 and 10,656.16

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Solution

The fourth proportional to 26,456.20, 39,676.38 and 10,656.16 is: 15,981.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,456.20 : 39,676.38 = 10,656.16 : x
  2. Step 2: Convert to fraction form
    26,456.20/39,676.38 = 10,656.16/x
  3. Step 3: Cross multiply
    26,456.20x = 39,676.38 × 10,656.16
  4. Step 4: Simplify right side
    26,456.20x = 422,797,853.50
  5. Step 5: Solve for x
    x = 422,797,853.50/26,456.20
  6. Step 6: Final answer
    x = 15,981.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.