Home / 55,600.13-83,408.83-18,672.77

Finding the Fourth Proportional to 55,600.13, 83,408.83 and 18,672.77

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Solution

The fourth proportional to 55,600.13, 83,408.83 and 18,672.77 is: 28,012.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,600.13 : 83,408.83 = 18,672.77 : x
  2. Step 2: Convert to fraction form
    55,600.13/83,408.83 = 18,672.77/x
  3. Step 3: Cross multiply
    55,600.13x = 83,408.83 × 18,672.77
  4. Step 4: Simplify right side
    55,600.13x = 1,557,473,898.56
  5. Step 5: Solve for x
    x = 1,557,473,898.56/55,600.13
  6. Step 6: Final answer
    x = 28,012.05

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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.