Home / 13,942.18-20,916.55-4,582.22

Finding the Fourth Proportional to 13,942.18, 20,916.55 and 4,582.22

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Solution

The fourth proportional to 13,942.18, 20,916.55 and 4,582.22 is: 6,874.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.18 : 20,916.55 = 4,582.22 : x
  2. Step 2: Convert to fraction form
    13,942.18/20,916.55 = 4,582.22/x
  3. Step 3: Cross multiply
    13,942.18x = 20,916.55 × 4,582.22
  4. Step 4: Simplify right side
    13,942.18x = 95,844,233.74
  5. Step 5: Solve for x
    x = 95,844,233.74/13,942.18
  6. Step 6: Final answer
    x = 6,874.41

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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.