Home / 26,820.48-40,249.20-12,045.96

Finding the Fourth Proportional to 26,820.48, 40,249.20 and 12,045.96

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Solution

The fourth proportional to 26,820.48, 40,249.20 and 12,045.96 is: 18,077.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,820.48 : 40,249.20 = 12,045.96 : x
  2. Step 2: Convert to fraction form
    26,820.48/40,249.20 = 12,045.96/x
  3. Step 3: Cross multiply
    26,820.48x = 40,249.20 × 12,045.96
  4. Step 4: Simplify right side
    26,820.48x = 484,840,253.23
  5. Step 5: Solve for x
    x = 484,840,253.23/26,820.48
  6. Step 6: Final answer
    x = 18,077.24

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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.